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BOSTON MARATHON 2025

Allyson Kwang

Bib: 20719•F

TX

Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
Masters (Masters Women)
#0 / 6759
Top 18%
Age Group (F40-44)
#0 / 1718
Top 36%
Race Day Weather
50°/40°F
broken 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· 3.11 mi
24:32
Rank: #15663
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
49:01
Rank: #15572 (+91)
5K → 10K
24:29 | 7:53/mi
15K· 9.32 mi
1:13:43
Rank: #15574 (-2)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:38:31
Rank: #15349 (+225)
15K → 20K
24:48 | 7:59/mi
Half· 13.11 mi
1:43:52
Rank: #15302 (+47)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:03:26
Rank: #15127 (+175)
Half → 25K
19:34 | 8:04/mi
30K· 18.64 mi
2:28:49
Rank: #14567 (+560)
25K → 30K
25:23 | 8:10/mi
20M
2:40:07
Rank: #14374 (+193)
30K → 20M
11:18 | 8:19/mi
21M
2:48:33
Rank: #14059 (+315)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:54:28
Rank: #13941 (+118)
21M → 35K
5:55 | 7:55/mi
23M
3:04:55
Rank: #13843 (+98)
35K → 23M
10:27 | 8:21/mi
24M
3:12:54
Rank: #13702 (+141)
23M → 24M
7:59 | 7:59/mi
40K· 24.85 mi
3:19:55
Rank: #13596 (+106)
24M → 40K
7:01 | 8:12/mi
25.2M
3:22:59
Rank: #13533 (+63)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:30:41
Rank: #13387 (+146)
25.2M → Finish
7:42 | 7:33/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
Time1:43:52
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:46:49
Pace8:09 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3024:327:5424:32
7:54
-
10K
6.21 mi11:41:5949:017:5324:29
7:53
-0:01
15K
9.32 mi12:06:411:13:437:5524:42
7:57
+0:04
20K
12.43 mi12:31:291:38:317:5624:48
7:59
+0:02
Half
13.11 mi12:36:501:43:527:555:21
7:50
-0:09
25K
15.53 mi12:56:242:03:267:5719:34
8:04
+0:14
30K
18.64 mi13:21:472:28:497:5925:23
8:10
+0:06
20M
20.00 mi13:33:052:40:078:0011:18
8:19
+0:09
21M
21.00 mi13:41:312:48:338:028:26
8:26
+0:07
35K
21.75 mi13:47:262:54:288:015:55
7:55
-0:31
23M
23.00 mi13:57:533:04:558:0210:27
8:21
+0:26
24M
24.00 mi14:05:523:12:548:027:59
7:59
-0:22
40K
24.85 mi14:12:533:19:558:037:01
8:12
+0:13
25.2M
25.20 mi14:15:573:22:598:033:04
8:54
+0:42
Finish
26.22 mi14:23:393:30:418:027:42
7:33
-1:21

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

7:33 /mi

Average Pace

8:02 /mi

Slowest Pace

8:54 /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

2:57:26

84% of race

Time at Steady Pace

33:15

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:17:3024:327:5424:32
7:54
#15663
10K
6.21 mi11:41:5949:017:5324:29
7:53
#15572
15K
9.32 mi12:06:411:13:437:5524:42
7:57
#15574
20K
12.43 mi12:31:291:38:317:5624:48
7:59
#15349
Half
13.11 mi12:36:501:43:527:555:21
7:50
#15302
25K
15.53 mi12:56:242:03:267:5719:34
8:04
#15127
30K
18.64 mi13:21:472:28:497:5925:23
8:10
#14567
20M
20.00 mi13:33:052:40:078:0011:18
8:19
#14374
21M
21.00 mi13:41:312:48:338:028:26
8:26
#14059
35K
21.75 mi13:47:262:54:288:015:55
7:55
#13941
23M
23.00 mi13:57:533:04:558:0210:27
8:21
#13843
24M
24.00 mi14:05:523:12:548:027:59
7:59
#13702
40K
24.85 mi14:12:533:19:558:037:01
8:12
#13596
25.2M
25.20 mi14:15:573:22:598:033:04
8:54
#13533
Finish
26.22 mi14:23:393:30:418:027:42
7:33
#13387
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi156634930493015664(Top 55%)4943(Top 40%)4943(Top 288%)
10K6.21 mi3.10 mi15572+914882+484882+4815533(Top 55%)4849(Top 40%)4849(Top 282%)
15K9.32 mi3.11 mi15574-24885-34885-315664(Top 55%)4943(Top 40%)4943(Top 288%)
20K12.43 mi3.11 mi15349+2254777+1084777+10814795(Top 52%)4525(Top 37%)4525(Top 263%)
Half13.11 mi0.68 mi15302+474751+264751+2614639(Top 52%)4406(Top 36%)4406(Top 256%)
25K15.53 mi2.42 mi15127+1754679+724679+7214432(Top 51%)4441(Top 36%)4441(Top 258%)
30K18.64 mi3.11 mi14567+5604426+2534426+25312612(Top 44%)3628(Top 30%)3628(Top 211%)
20M20.00 mi1.36 mi14374+1934345+814345+8112619(Top 44%)3766(Top 31%)3766(Top 219%)
21M21.00 mi1.00 mi14059+3154196+1494196+14910101(Top 36%)2667(Top 22%)2667(Top 155%)
35K21.75 mi0.75 mi13941+1184154+424154+4211692(Top 41%)3494(Top 29%)3494(Top 203%)
23M23.00 mi1.25 mi13843+984140+144140+1412337(Top 43%)3920(Top 32%)3920(Top 228%)
24M24.00 mi1.00 mi13702+1414091+494091+4911167(Top 39%)3399(Top 28%)3399(Top 198%)
40K24.85 mi0.85 mi13596+1064062+294062+2911627(Top 41%)3719(Top 30%)3719(Top 216%)
25.2M25.20 mi0.35 mi13533+634032+304032+3011265(Top 40%)3639(Top 30%)3639(Top 212%)
Finish26.22 mi1.02 mi13387+1463978+543978+549650(Top 34%)2844(Top 23%)2844(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15664

Females

4943

F40-44

4943

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15533

Females

4849

F40-44

4849

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15664

Females

4943

F40-44

4943

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14795

Females

4525

F40-44

4525

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14639

Females

4406

F40-44

4406

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14432

Females

4441

F40-44

4441

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12612

Females

3628

F40-44

3628

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12619

Females

3766

F40-44

3766

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10101

Females

2667

F40-44

2667

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11692

Females

3494

F40-44

3494

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12337

Females

3920

F40-44

3920

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11167

Females

3399

F40-44

3399

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11627

Females

3719

F40-44

3719

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11265

Females

3639

F40-44

3639

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9650

Females

2844

F40-44

2844

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3169
Passed By
893
Net Change
+2276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15663
5K → 10K364273+91#15663#15572
10K → 15K210212-2#15572#15574
15K → 20K31287+225#15574#15349
20K → Half6518+47#15349#15302
Half → 25K25176+175#15302#15127
25K → 30K58929+560#15127#14567
30K → 20M23037+193#14567#14374
20M → 21M3227+315#14374#14059
21M → 35K13416+118#14059#13941
35K → 23M16163+98#13941#13843
23M → 24M15817+141#13843#13702
24M → 40K13731+106#13702#13596
40K → 25.2M7815+63#13596#13533
25.2M → Finish15812+146#13533#13387
TOTALS3169893+2276
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing