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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Stephanie Summerhill

Bib: 24150 •F •Age: N/A

GA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 41%
Age Group (F50-54)
#0 / 1233
Top 37%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Stephanie

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 8:03/mi at mile 21.7

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
26:43
3.11 mi
Rank: #20615
Start → 5K
26:43 | 8:36/mi
10K
53:31
6.21 mi
Rank: #20833 (-218)
5K → 10K
26:48 | 8:38/mi
15K
1:19:58
9.32 mi
Rank: #20613 (+220)
10K → 15K
26:27 | 8:31/mi
20K
1:46:11
12.43 mi
Rank: #20161 (+452)
15K → 20K
26:13 | 8:27/mi
HALF
1:51:54
13.11 mi
Rank: #20134 (+27)
20K → HALF
5:43 | 8:24/mi
25K
2:12:13
15.53 mi
Rank: #19778 (+356)
HALF → 25K
20:19 | 8:23/mi
30K
2:38:26
18.64 mi
Rank: #19199 (+579)
25K → 30K
26:13 | 8:27/mi
20M
2:49:50
20.00 mi
Rank: #18920 (+279)
30K → 20M
11:24 | 8:24/mi
21M
2:58:33
21.00 mi
Rank: #18666 (+254)
20M → 21M
8:43 | 8:43/mi
35K
3:04:34
21.75 mi
Rank: #18536 (+130)
21M → 35K
6:01 | 8:03/mi
23M
3:15:04
23.00 mi
Rank: #18335 (+201)
35K → 23M
10:30 | 8:24/mi
24M
3:23:11
24.00 mi
Rank: #18181 (+154)
23M → 24M
8:07 | 8:07/mi
40K
3:30:15
24.85 mi
Rank: #18011 (+170)
24M → 40K
7:04 | 8:16/mi
25.2M
3:33:18
25.20 mi
Rank: #17937 (+74)
40K → 25.2M
3:03 | 8:51/mi
FINISH
3:41:31
26.22 mi
Rank: #17825 (+112)
25.2M → FINISH
8:13 | 8:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:51:54
Pace8:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:37
Pace8:22 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:4326:438:3626:43
8:36
-
10K
6.21 mi11:57:3153:318:3726:48
8:38
+0:02
15K
9.32 mi12:23:581:19:588:3526:27
8:31
-0:07
20K
12.43 mi12:50:111:46:118:3326:13
8:27
-0:04
HALF
13.11 mi12:55:541:51:548:335:43
8:24
-0:03
25K
15.53 mi13:16:132:12:138:3120:19
8:23
-0:01
30K
18.64 mi13:42:262:38:268:3026:13
8:27
+0:04
20M
20.00 mi13:53:502:49:508:3011:24
8:24
-0:03
21M
21.00 mi14:02:332:58:338:318:43
8:43
+0:19
35K
21.75 mi14:08:343:04:348:306:01
8:03
-0:40
23M
23.00 mi14:19:043:15:048:2910:30
8:24
+0:21
24M
24.00 mi14:27:113:23:118:288:07
8:07
-0:17
40K
24.85 mi14:34:153:30:158:287:04
8:16
+0:09
25.2M
25.20 mi14:37:183:33:188:283:03
8:51
+0:35
FINISH
26.22 mi14:45:313:41:318:288:13
8:04
-0:47

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:03 /mi

Average Pace

8:27 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:09:47

59% of race

Time at Steady Pace

1:31:44

41% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:30:4326:438:3626:43
8:36
#20615
10K
6.21 mi11:57:3153:318:3726:48
8:38
#20833
15K
9.32 mi12:23:581:19:588:3526:27
8:31
#20613
20K
12.43 mi12:50:111:46:118:3326:13
8:27
#20161
HALF
13.11 mi12:55:541:51:548:335:43
8:24
#20134
25K
15.53 mi13:16:132:12:138:3120:19
8:23
#19778
30K
18.64 mi13:42:262:38:268:3026:13
8:27
#19199
20M
20.00 mi13:53:502:49:508:3011:24
8:24
#18920
21M
21.00 mi14:02:332:58:338:318:43
8:43
#18666
35K
21.75 mi14:08:343:04:348:306:01
8:03
#18536
23M
23.00 mi14:19:043:15:048:2910:30
8:24
#18335
24M
24.00 mi14:27:113:23:118:288:07
8:07
#18181
40K
24.85 mi14:34:153:30:158:287:04
8:16
#18011
25.2M
25.20 mi14:37:183:33:188:283:03
8:51
#17937
FINISH
26.22 mi14:45:313:41:318:288:13
8:04
#17825
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi206157962796220241(Top 70%)7717(Top 61%)7717(Top 626%)
10K6.21 mi3.10 mi20833-2188062-1008062-10021041(Top 73%)8140(Top 65%)8140(Top 660%)
15K9.32 mi3.11 mi20613+2207931+1317931+13120241(Top 70%)7717(Top 61%)7717(Top 626%)
20K12.43 mi3.11 mi20161+4527713+2187713+21818947(Top 65%)7038(Top 56%)7038(Top 571%)
HALF13.11 mi0.68 mi20134+277699+147699+1419566(Top 67%)7345(Top 58%)7345(Top 596%)
25K15.53 mi2.42 mi19778+3567511+1887511+18817867(Top 62%)6485(Top 52%)6485(Top 526%)
30K18.64 mi3.11 mi19199+5797221+2907221+29016513(Top 57%)5823(Top 46%)5823(Top 472%)
20M20.00 mi1.36 mi18920+2797074+1477074+14715570(Top 54%)5412(Top 43%)5412(Top 439%)
21M21.00 mi1.00 mi18666+2546939+1356939+13514521(Top 50%)4870(Top 39%)4870(Top 395%)
35K21.75 mi0.75 mi18536+1306879+606879+6014847(Top 51%)5128(Top 41%)5128(Top 416%)
23M23.00 mi1.25 mi18335+2016798+816798+8115061(Top 52%)5311(Top 42%)5311(Top 431%)
24M24.00 mi1.00 mi18181+1546734+646734+6414594(Top 50%)5128(Top 41%)5128(Top 416%)
40K24.85 mi0.85 mi18011+1706658+766658+7614291(Top 49%)5062(Top 40%)5062(Top 411%)
25.2M25.20 mi0.35 mi17937+746626+326626+3213906(Top 48%)4881(Top 39%)4881(Top 396%)
FINISH26.22 mi1.02 mi17825+1126582+446582+4415609(Top 54%)5744(Top 46%)5744(Top 466%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20241

Females

7717

F50-54

7717

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21041

Females

8140

F50-54

8140

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20241

Females

7717

F50-54

7717

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18947

Females

7038

F50-54

7038

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19566

Females

7345

F50-54

7345

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

17867

Females

6485

F50-54

6485

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16513

Females

5823

F50-54

5823

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15570

Females

5412

F50-54

5412

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14521

Females

4870

F50-54

4870

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14847

Females

5128

F50-54

5128

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15061

Females

5311

F50-54

5311

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14594

Females

5128

F50-54

5128

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14291

Females

5062

F50-54

5062

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1
+13ft-16ft

Overall

13906

Females

4881

F50-54

4881

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15609

Females

5744

F50-54

5744

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3408*
Passed By
413
Net Change
+2790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20615
5K → 10K187200-218#20615#20833
10K → 15K326*106+220#20833#20613
15K → 20K471*19+452#20613#20161
20K → HALF3912+27#20161#20134
HALF → 25K361*5+356#20134#19778
25K → 30K585*6+579#19778#19199
30K → 20M287*8+279#19199#18920
20M → 21M260*6+254#18920#18666
21M → 35K1344+130#18666#18536
35K → 23M215*14+201#18536#18335
23M → 24M1606+154#18335#18181
24M → 40K1766+170#18181#18011
40K → 25.2M784+74#18011#17937
25.2M → FINISH12917+112#17937#17825
TOTALS3408*413+2790

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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