Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Serena Sung-Clarke

Bib: 30873 β€’F β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°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
27:40
3.11 mi
Rank: #22189
Start β†’ 5K
27:40 | 8:55/mi
10K
54:24
6.21 mi
Rank: #21608 (+581)
5K β†’ 10K
26:44 | 8:37/mi
15K
1:20:48
9.32 mi
Rank: #21127 (+481)
10K β†’ 15K
26:24 | 8:30/mi
20K
1:46:57
12.43 mi
Rank: #20517 (+610)
15K β†’ 20K
26:09 | 8:26/mi
HALF
1:52:33
13.11 mi
Rank: #20414 (+103)
20K β†’ HALF
5:36 | 8:13/mi
25K
2:12:44
15.53 mi
Rank: #19971 (+443)
HALF β†’ 25K
20:11 | 8:20/mi
30K
2:39:30
18.64 mi
Rank: #19547 (+424)
25K β†’ 30K
26:46 | 8:37/mi
20M
2:51:23
20.00 mi
Rank: #19386 (+161)
30K β†’ 20M
11:53 | 8:45/mi
21M
3:00:41
21.00 mi
Rank: #19268 (+118)
20M β†’ 21M
9:18 | 9:18/mi
35K
3:07:06
21.75 mi
Rank: #19199 (+69)
21M β†’ 35K
6:25 | 8:35/mi
23M
3:18:16
23.00 mi
Rank: #19148 (+51)
35K β†’ 23M
11:10 | 8:56/mi
24M
3:27:00
24.00 mi
Rank: #19105 (+43)
23M β†’ 24M
8:44 | 8:44/mi
40K
3:34:37
24.85 mi
Rank: #19059 (+46)
24M β†’ 40K
7:37 | 8:55/mi
25.2M
3:37:53
25.20 mi
Rank: #19016 (+43)
40K β†’ 25.2M
3:16 | 9:29/mi
FINISH
3:46:26
26.22 mi
Rank: #18950 (+66)
25.2M β†’ FINISH
8:33 | 8:24/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
Time1:52:33
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:53:53
Pace8:42 /mi
πŸ“ŠPositive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3827:408:5527:40
8:55
-
10K
6.21 mi12:19:2254:248:4626:44
8:37
-0:18
15K
9.32 mi12:45:461:20:488:4126:24
8:30
-0:07
20K
12.43 mi13:11:551:46:578:3726:09
8:26
-0:04
HALF
13.11 mi13:17:311:52:338:365:36
8:13
-0:13
25K
15.53 mi13:37:422:12:448:3320:11
8:20
+0:07
30K
18.64 mi14:04:282:39:308:3426:46
8:37
+0:17
20M
20.00 mi14:16:212:51:238:3511:53
8:45
+0:08
21M
21.00 mi14:25:393:00:418:379:18
9:18
+0:33
35K
21.75 mi14:32:043:07:068:376:25
8:35
-0:43
23M
23.00 mi14:43:143:18:168:3811:10
8:56
+0:21
24M
24.00 mi14:51:583:27:008:388:44
8:44
-0:12
40K
24.85 mi14:59:353:34:378:397:37
8:55
+0:11
25.2M
25.20 mi15:02:513:37:538:393:16
9:29
+0:34
FINISH
26.22 mi15:11:243:46:268:398:33
8:24
-1:05

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

8:13 /mi

Average Pace

8:39 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:33:52

94% of race

Time at Steady Pace

12:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:52:3827:408:5527:40
8:55
#22189
10K
6.21 mi12:19:2254:248:4626:44
8:37
#21608
15K
9.32 mi12:45:461:20:488:4126:24
8:30
#21127
20K
12.43 mi13:11:551:46:578:3726:09
8:26
#20517
HALF
13.11 mi13:17:311:52:338:365:36
8:13
#20414
25K
15.53 mi13:37:422:12:448:3320:11
8:20
#19971
30K
18.64 mi14:04:282:39:308:3426:46
8:37
#19547
20M
20.00 mi14:16:212:51:238:3511:53
8:45
#19386
21M
21.00 mi14:25:393:00:418:379:18
9:18
#19268
35K
21.75 mi14:32:043:07:068:376:25
8:35
#19199
23M
23.00 mi14:43:143:18:168:3811:10
8:56
#19148
24M
24.00 mi14:51:583:27:008:388:44
8:44
#19105
40K
24.85 mi14:59:353:34:378:397:37
8:55
#19059
25.2M
25.20 mi15:02:513:37:538:393:16
9:29
#19016
FINISH
26.22 mi15:11:243:46:268:398:33
8:24
#18950
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 mi221898778877820142(Top 69%)7668(Top 61%)7668(Top 134%)
10K6.21 mi3.10 mi21608+5818472+3068472+30620913(Top 72%)8083(Top 64%)8083(Top 141%)
15K9.32 mi3.11 mi21127+4818209+2638209+26320142(Top 69%)7668(Top 61%)7668(Top 134%)
20K12.43 mi3.11 mi20517+6107894+3157894+31518840(Top 65%)6983(Top 56%)6983(Top 122%)
HALF13.11 mi0.68 mi20414+1037844+507844+5018555(Top 64%)6804(Top 54%)6804(Top 119%)
25K15.53 mi2.42 mi19971+4437615+2297615+22917563(Top 61%)6321(Top 50%)6321(Top 111%)
30K18.64 mi3.11 mi19547+4247409+2067409+20617568(Top 61%)6433(Top 51%)6433(Top 113%)
20M20.00 mi1.36 mi19386+1617337+727337+7217696(Top 61%)6586(Top 52%)6586(Top 115%)
21M21.00 mi1.00 mi19268+1187282+557282+5517648(Top 61%)6603(Top 52%)6603(Top 116%)
35K21.75 mi0.75 mi19199+697253+297253+2918045(Top 62%)6919(Top 55%)6919(Top 121%)
23M23.00 mi1.25 mi19148+517244+97244+918136(Top 62%)7030(Top 56%)7030(Top 123%)
24M24.00 mi1.00 mi19105+437254-107254-1018213(Top 63%)7095(Top 56%)7095(Top 124%)
40K24.85 mi0.85 mi19059+467248+67248+617976(Top 62%)7024(Top 56%)7024(Top 123%)
25.2M25.20 mi0.35 mi19016+437232+167232+1617256(Top 59%)6655(Top 53%)6655(Top 116%)
FINISH26.22 mi1.02 mi18950+667201+317201+3117589(Top 61%)6833(Top 54%)6833(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
Γ—21
+97ft-345ft

Overall

20142

Females

7668

F18-39

7668

5K→10K

3.1 - 6.2 mi

Top 72%
Γ—5
+79ft-138ft

Overall

20913

Females

8083

F18-39

8083

10K→15K

6.2 - 9.3 mi

Top 69%
Γ—3
+67ft-78ft

Overall

20142

Females

7668

F18-39

7668

15K→20K

9.3 - 12.4 mi

Top 65%
Γ—5
+106ft-86ft

Overall

18840

Females

6983

F18-39

6983

20K→HALF

12.4 - 13.1 mi

Top 64%
Γ—2
+19ft-37ft

Overall

18555

Females

6804

F18-39

6804

HALF→25K

13.1 - 15.5 mi

Top 61%
Γ—4
+66ft-88ft

Overall

17563

Females

6321

F18-39

6321

25K→30K

15.5 - 18.6 mi

Top 61%
Γ—9
+181ft-148ft

Overall

17568

Females

6433

F18-39

6433

30K→20M

18.6 - 20.0 mi

Top 61%
Γ—5
+64ft-50ft

Overall

17696

Females

6586

F18-39

6586

20M→21M

20.0 - 21.0 mi

Top 61%
Γ—8
+106ft-24ft

Overall

17648

Females

6603

F18-39

6603

21M→35K

21.0 - 21.8 mi

Top 62%
Γ—7
+17ft-86ft

Overall

18045

Females

6919

F18-39

6919

35K→23M

21.8 - 23.0 mi

Top 62%
Γ—5
+23ft-63ft

Overall

18136

Females

7030

F18-39

7030

23M→24M

23.0 - 24.0 mi

Top 63%
Γ—6
+12ft-82ft

Overall

18213

Females

7095

F18-39

7095

24M→40K

24.0 - 24.9 mi

Top 62%
Γ—1
+6ft-20ft

Overall

17976

Females

7024

F18-39

7024

40K→25.2M

24.9 - 25.2 mi

Top 59%
Γ—1
+13ft-16ft

Overall

17256

Females

6655

F18-39

6655

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
Γ—2
+22ft-21ft

Overall

17589

Females

6833

F18-39

6833

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3652*
Passed By
413
Net Change
+3239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#22189
5K β†’ 10K685*104+581#22189#21608
10K β†’ 15K507*26+481#21608#21127
15K β†’ 20K619*9+610#21127#20517
20K β†’ HALF1063+103#20517#20414
HALF β†’ 25K444*1+443#20414#19971
25K β†’ 30K441*17+424#19971#19547
30K β†’ 20M17615+161#19547#19386
20M β†’ 21M14325+118#19386#19268
21M β†’ 35K8920+69#19268#19199
35K β†’ 23M11160+51#19199#19148
23M β†’ 24M9754+43#19148#19105
24M β†’ 40K8135+46#19105#19059
40K β†’ 25.2M5613+43#19059#19016
25.2M β†’ FINISH9731+66#19016#18950
TOTALS3652*413+3239

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

πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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