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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Erin Schaefer

Bib: 24064 •F •Age: N/A

OH

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
Age Group (F50-54)
#0 / 1233
Race Day Weather
51°/41°F
overcast clouds

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
27:01
3.11 mi
Rank: #21178
Start → 5K
27:01 | 8:42/mi
10K
53:55
6.21 mi
Rank: #21198 (-20)
5K → 10K
26:54 | 8:40/mi
15K
1:20:51
9.32 mi
Rank: #21151 (+47)
10K → 15K
26:56 | 8:41/mi
20K
1:48:03
12.43 mi
Rank: #21014 (+137)
15K → 20K
27:12 | 8:46/mi
HALF
1:54:00
13.11 mi
Rank: #21037 (-23)
20K → HALF
5:57 | 8:44/mi
25K
2:15:24
15.53 mi
Rank: #20917 (+120)
HALF → 25K
21:24 | 8:50/mi
30K
2:43:45
18.64 mi
Rank: #20757 (+160)
25K → 30K
28:21 | 9:08/mi
20M
2:56:13
20.00 mi
Rank: #20688 (+69)
30K → 20M
12:28 | 9:11/mi
21M
3:05:40
21.00 mi
Rank: #20541 (+147)
20M → 21M
9:27 | 9:27/mi
35K
3:12:17
21.75 mi
Rank: #20493 (+48)
21M → 35K
6:37 | 8:51/mi
23M
3:23:31
23.00 mi
Rank: #20369 (+124)
35K → 23M
11:14 | 8:59/mi
24M
3:32:12
24.00 mi
Rank: #20274 (+95)
23M → 24M
8:41 | 8:41/mi
40K
3:39:24
24.85 mi
Rank: #20099 (+175)
24M → 40K
7:12 | 8:26/mi
25.2M
3:42:32
25.20 mi
Rank: #20033 (+66)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:50:56
26.22 mi
Rank: #19915 (+118)
25.2M → FINISH
8:24 | 8:15/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:00
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time1:56:56
Pace8:56 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:4527:018:4227:01
8:42
-
10K
6.21 mi11:58:3953:558:4126:54
8:40
-0:02
15K
9.32 mi12:25:351:20:518:4126:56
8:41
+0:01
20K
12.43 mi12:52:471:48:038:4227:12
8:46
+0:05
HALF
13.11 mi12:58:441:54:008:425:57
8:44
-0:02
25K
15.53 mi13:20:082:15:248:4321:24
8:50
+0:06
30K
18.64 mi13:48:292:43:458:4828:21
9:08
+0:18
20M
20.00 mi14:00:572:56:138:4912:28
9:11
+0:03
21M
21.00 mi14:10:243:05:408:519:27
9:27
+0:16
35K
21.75 mi14:17:013:12:178:516:37
8:51
-0:36
23M
23.00 mi14:28:153:23:318:5111:14
8:59
+0:08
24M
24.00 mi14:36:563:32:128:518:41
8:41
-0:18
40K
24.85 mi14:44:083:39:248:507:12
8:26
-0:15
25.2M
25.20 mi14:47:163:42:328:503:08
9:06
+0:40
FINISH
26.22 mi14:55:403:50:568:498:24
8:15
-0:51

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

8:15 /mi

Average Pace

8:49 /mi

Slowest Pace

9:27 /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

2:57:32

77% of race

Time at Steady Pace

53:24

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:31:4527:018:4227:01
8:42
#21178
10K
6.21 mi11:58:3953:558:4126:54
8:40
#21198
15K
9.32 mi12:25:351:20:518:4126:56
8:41
#21151
20K
12.43 mi12:52:471:48:038:4227:12
8:46
#21014
HALF
13.11 mi12:58:441:54:008:425:57
8:44
#21037
25K
15.53 mi13:20:082:15:248:4321:24
8:50
#20917
30K
18.64 mi13:48:292:43:458:4828:21
9:08
#20757
20M
20.00 mi14:00:572:56:138:4912:28
9:11
#20688
21M
21.00 mi14:10:243:05:408:519:27
9:27
#20541
35K
21.75 mi14:17:013:12:178:516:37
8:51
#20493
23M
23.00 mi14:28:153:23:318:5111:14
8:59
#20369
24M
24.00 mi14:36:563:32:128:518:41
8:41
#20274
40K
24.85 mi14:44:083:39:248:507:12
8:26
#20099
25.2M
25.20 mi14:47:163:42:328:503:08
9:06
#20033
FINISH
26.22 mi14:55:403:50:568:498:24
8:15
#19915
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 mi211788269826921045(Top 73%)8152(Top 65%)8152(Top 661%)
10K6.21 mi3.10 mi21198-208252+178252+1721218(Top 73%)8243(Top 66%)8243(Top 669%)
15K9.32 mi3.11 mi21151+478222+308222+3021045(Top 73%)8152(Top 65%)8152(Top 661%)
20K12.43 mi3.11 mi21014+1378156+668156+6620735(Top 71%)8013(Top 64%)8013(Top 650%)
HALF13.11 mi0.68 mi21037-238170-148170-1421470(Top 74%)8354(Top 66%)8354(Top 678%)
25K15.53 mi2.42 mi20917+1208122+488122+4820354(Top 70%)7841(Top 62%)7841(Top 636%)
30K18.64 mi3.11 mi20757+1608058+648058+6420183(Top 70%)7829(Top 62%)7829(Top 635%)
20M20.00 mi1.36 mi20688+698021+378021+3719789(Top 68%)7703(Top 61%)7703(Top 625%)
21M21.00 mi1.00 mi20541+1477952+697952+6918338(Top 63%)6977(Top 55%)6977(Top 566%)
35K21.75 mi0.75 mi20493+487949+37949+319385(Top 67%)7646(Top 61%)7646(Top 620%)
23M23.00 mi1.25 mi20369+1247895+547895+5418406(Top 63%)7176(Top 57%)7176(Top 582%)
24M24.00 mi1.00 mi20274+957864+317864+3117957(Top 62%)6980(Top 55%)6980(Top 566%)
40K24.85 mi0.85 mi20099+1757799+657799+6515246(Top 53%)5579(Top 44%)5579(Top 452%)
25.2M25.20 mi0.35 mi20033+667774+257774+2515317(Top 53%)5638(Top 45%)5638(Top 457%)
FINISH26.22 mi1.02 mi19915+1187720+547720+5416715(Top 58%)6361(Top 51%)6361(Top 516%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21045

Females

8152

F50-54

8152

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21218

Females

8243

F50-54

8243

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21045

Females

8152

F50-54

8152

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20735

Females

8013

F50-54

8013

20K→HALF

12.4 - 13.1 mi

Top 74%
×2
+19ft-37ft

Overall

21470

Females

8354

F50-54

8354

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20354

Females

7841

F50-54

7841

25K→30K

15.5 - 18.6 mi

Top 70%
×9
+181ft-148ft

Overall

20183

Females

7829

F50-54

7829

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19789

Females

7703

F50-54

7703

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18338

Females

6977

F50-54

6977

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19385

Females

7646

F50-54

7646

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18406

Females

7176

F50-54

7176

23M→24M

23.0 - 24.0 mi

Top 62%
×6
+12ft-82ft

Overall

17957

Females

6980

F50-54

6980

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15246

Females

5579

F50-54

5579

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15317

Females

5638

F50-54

5638

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16715

Females

6361

F50-54

6361

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2045*
Passed By
762
Net Change
+1263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21178
5K → 10K200200-20#21178#21198
10K → 15K208*161+47#21198#21151
15K → 20K221*84+137#21151#21014
20K → HALF1942-23#21014#21037
HALF → 25K18666+120#21037#20917
25K → 30K240*80+160#20917#20757
30K → 20M10940+69#20757#20688
20M → 21M16316+147#20688#20541
21M → 35K7224+48#20541#20493
35K → 23M14218+124#20493#20369
23M → 24M11015+95#20369#20274
24M → 40K1805+175#20274#20099
40K → 25.2M660+66#20099#20033
25.2M → FINISH12911+118#20033#19915
TOTALS2045*762+1263

* 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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