Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sabrina Nelson

Bib: 17765FAge: N/A

AZ

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 49%
Gender (Female)
#0 / 12578
Top 36%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Sabrina

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 · 7:03/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
25:02
3.11 mi
Rank: #17347
Start5K
25:02 | 8:04/mi
10K
49:55
6.21 mi
Rank: #17313 (+34)
5K10K
24:53 | 8:01/mi
15K
1:14:47
9.32 mi
Rank: #17241 (+72)
10K15K
24:52 | 8:01/mi
20K
1:39:39
12.43 mi
Rank: #16932 (+309)
15K20K
24:52 | 8:01/mi
HALF
1:45:02
13.11 mi
Rank: #16902 (+30)
20KHALF
5:23 | 7:54/mi
25K
2:04:22
15.53 mi
Rank: #16593 (+309)
HALF25K
19:20 | 7:59/mi
30K
2:29:41
18.64 mi
Rank: #16205 (+388)
25K30K
25:19 | 8:09/mi
20M
2:40:35
20.00 mi
Rank: #15971 (+234)
30K20M
10:54 | 8:02/mi
21M
2:48:51
21.00 mi
Rank: #15681 (+290)
20M21M
8:16 | 8:16/mi
35K
2:54:28
21.75 mi
Rank: #15473 (+208)
21M35K
5:37 | 7:31/mi
23M
3:04:05
23.00 mi
Rank: #15162 (+311)
35K23M
9:37 | 7:42/mi
24M
3:11:24
24.00 mi
Rank: #14850 (+312)
23M24M
7:19 | 7:19/mi
40K
3:17:52
24.85 mi
Rank: #14647 (+203)
24M40K
6:28 | 7:34/mi
25.2M
3:20:38
25.20 mi
Rank: #14537 (+110)
40K25.2M
2:46 | 8:02/mi
FINISH
3:27:49
26.22 mi
Rank: #14284 (+253)
25.2MFINISH
7:11 | 7:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:45:02
Pace8:01 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:47
Pace7:51 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3725:028:0425:02
8:04
-
10K
6.21 mi11:51:3049:558:0224:53
8:01
-0:03
15K
9.32 mi12:16:221:14:478:0224:52
8:01
0:00
20K
12.43 mi12:41:141:39:398:0224:52
8:01
0:00
HALF
13.11 mi12:46:371:45:028:015:23
7:54
-0:07
25K
15.53 mi13:05:572:04:228:0119:20
7:59
+0:05
30K
18.64 mi13:31:162:29:418:0225:19
8:09
+0:10
20M
20.00 mi13:42:102:40:358:0210:54
8:02
-0:07
21M
21.00 mi13:50:262:48:518:038:16
8:16
+0:14
35K
21.75 mi13:56:032:54:288:025:37
7:31
-0:45
23M
23.00 mi14:05:403:04:058:019:37
7:42
+0:11
24M
24.00 mi14:12:593:11:247:597:19
7:19
-0:23
40K
24.85 mi14:19:273:17:527:586:28
7:34
+0:15
25.2M
25.20 mi14:22:133:20:387:582:46
8:02
+0:28
FINISH
26.22 mi14:29:243:27:497:567:11
7:03
-0:59

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

7:03 /mi

Average Pace

7:56 /mi

Slowest Pace

8:16 /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

36:12

17% of race

Time at Steady Pace

2:51:37

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi11:26:3725:028:0425:02
8:04
#17347
10K
6.21 mi11:51:3049:558:0224:53
8:01
#17313
15K
9.32 mi12:16:221:14:478:0224:52
8:01
#17241
20K
12.43 mi12:41:141:39:398:0224:52
8:01
#16932
HALF
13.11 mi12:46:371:45:028:015:23
7:54
#16902
25K
15.53 mi13:05:572:04:228:0119:20
7:59
#16593
30K
18.64 mi13:31:162:29:418:0225:19
8:09
#16205
20M
20.00 mi13:42:102:40:358:0210:54
8:02
#15971
21M
21.00 mi13:50:262:48:518:038:16
8:16
#15681
35K
21.75 mi13:56:032:54:288:025:37
7:31
#15473
23M
23.00 mi14:05:403:04:058:019:37
7:42
#15162
24M
24.00 mi14:12:593:11:247:597:19
7:19
#14850
40K
24.85 mi14:19:273:17:527:586:28
7:34
#14647
25.2M
25.20 mi14:22:133:20:387:582:46
8:02
#14537
FINISH
26.22 mi14:29:243:27:497:567:11
7:03
#14284
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi173476114611417056(Top 59%)5936(Top 47%)5936(Top 104%)
10K6.21 mi3.10 mi17313+346109+56109+517313(Top 60%)6093(Top 48%)6093(Top 107%)
15K9.32 mi3.11 mi17241+726065+446065+4417056(Top 59%)5936(Top 47%)5936(Top 104%)
20K12.43 mi3.11 mi16932+3095891+1745891+17416148(Top 56%)5455(Top 43%)5455(Top 95%)
HALF13.11 mi0.68 mi16902+305877+145877+1416320(Top 56%)5508(Top 44%)5508(Top 96%)
25K15.53 mi2.42 mi16593+3095697+1805697+18015202(Top 52%)4967(Top 39%)4967(Top 87%)
30K18.64 mi3.11 mi16205+3885532+1655532+16514573(Top 50%)4720(Top 38%)4720(Top 83%)
20M20.00 mi1.36 mi15971+2345404+1285404+12813041(Top 45%)3970(Top 32%)3970(Top 69%)
21M21.00 mi1.00 mi15681+2905249+1555249+15511687(Top 40%)3369(Top 27%)3369(Top 59%)
35K21.75 mi0.75 mi15473+2085146+1035146+10311020(Top 38%)3033(Top 24%)3033(Top 53%)
23M23.00 mi1.25 mi15162+3114986+1604986+16010224(Top 35%)2727(Top 22%)2727(Top 48%)
24M24.00 mi1.00 mi14850+3124824+1624824+1628790(Top 30%)2092(Top 17%)2092(Top 37%)
40K24.85 mi0.85 mi14647+2034731+934731+939374(Top 32%)2472(Top 20%)2472(Top 43%)
25.2M25.20 mi0.35 mi14537+1104675+564675+568652(Top 30%)2226(Top 18%)2226(Top 39%)
FINISH26.22 mi1.02 mi14284+2534551+1244551+1248033(Top 28%)1958(Top 16%)1958(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17056

Females

5936

F18-39

5936

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17313

Females

6093

F18-39

6093

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17056

Females

5936

F18-39

5936

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16148

Females

5455

F18-39

5455

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16320

Females

5508

F18-39

5508

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15202

Females

4967

F18-39

4967

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14573

Females

4720

F18-39

4720

30K→20M

18.6 - 20.0 mi

Top 45%
×5
+64ft-50ft

Overall

13041

Females

3970

F18-39

3970

20M→21M

20.0 - 21.0 mi

Top 40%
×8
+106ft-24ft

Overall

11687

Females

3369

F18-39

3369

21M→35K

21.0 - 21.8 mi

Top 38%
×7
+17ft-86ft

Overall

11020

Females

3033

F18-39

3033

35K→23M

21.8 - 23.0 mi

Top 35%
×5
+23ft-63ft

Overall

10224

Females

2727

F18-39

2727

23M→24M

23.0 - 24.0 mi

Top 30%
×6
+12ft-82ft

Overall

8790

Females

2092

F18-39

2092

24M→40K

24.0 - 24.9 mi

Top 32%
×1
+6ft-20ft

Overall

9374

Females

2472

F18-39

2472

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1
+13ft-16ft

Overall

8652

Females

2226

F18-39

2226

25.2M→FINISH

25.2 - 26.2 mi

Top 28%
×2
+22ft-21ft

Overall

8033

Females

1958

F18-39

1958

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3562*
Passed By
499
Net Change
+3063
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17347
5K10K234*200+34#17347#17313
10K15K218*146+72#17313#17241
15K20K356*47+309#17241#16932
20KHALF5121+30#16932#16902
HALF25K329*20+309#16902#16593
25K30K426*38+388#16593#16205
30K20M237*3+234#16205#15971
20M21M298*8+290#15971#15681
21M35K209*1+208#15681#15473
35K23M316*5+311#15473#15162
23M24M312*0+312#15162#14850
24M40K207*4+203#14850#14647
40K25.2M1133+110#14647#14537
25.2MFINISH256*3+253#14537#14284
TOTALS3562*499+3063

* 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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