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BOSTON MARATHON 2025

Hoi Lun Helen Leung

Bib: 24513•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:32/mi
29:36
↑ 97↓ 3451.5%
10K· 6.21 mi
9:29/mi
59:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:40/mi
1:29:05
↑ 67↓ 78
20K· 12.43 mi
9:40/mi
1:59:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:30/mi
2:05:36
↑ 19↓ 370.5%
25K· 15.53 mi
10:01/mi
2:29:54
↑ 66↓ 880.2%
30K· 18.64 mi
10:43/mi
3:03:12
↑ 181↓ 1480.2%
20M
10:09/mi
3:16:59
↑ 64↓ 500.2%
21M
10:24/mi
3:27:23
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:34:31
↑ 17↓ 861.7%
23M
10:04/mi
3:47:07
↑ 23↓ 630.6%
24M
9:44/mi
3:56:51
↓ 821.3%
40K· 24.85 mi
9:31/mi
4:04:59
↓ 200.3%
25.2M
10:18/mi
4:08:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
4:18:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:36
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:12:27
Pace10:06 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:2229:369:3229:36
9:32
-
10K
6.21 mi11:59:5059:049:3029:28
9:29
-0:03
15K
9.32 mi12:29:511:29:059:3330:01
9:40
+0:11
20K
12.43 mi12:59:531:59:079:3530:02
9:40
0:00
Half
13.11 mi13:06:222:05:369:356:29
9:30
-0:10
25K
15.53 mi13:30:402:29:549:3924:18
10:01
+0:31
30K
18.64 mi14:03:583:03:129:5033:18
10:43
+0:42
20M
20.00 mi14:17:453:16:599:5113:47
10:09
-0:34
21M
21.00 mi14:28:093:27:239:5310:24
10:24
+0:15
35K
21.75 mi14:35:173:34:319:527:08
9:32
-0:52
23M
23.00 mi14:47:533:47:079:5212:36
10:04
+0:32
24M
24.00 mi14:57:373:56:519:529:44
9:44
-0:20
40K
24.85 mi15:05:454:04:599:518:08
9:31
-0:13
25.2M
25.20 mi15:09:184:08:329:523:33
10:18
+0:47
Finish
26.22 mi15:18:494:18:039:519:31
9:20
-0:58

Checkpoints & Pacing

📈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

9:20 /mi

Average Pace

9:51 /mi

Slowest Pace

10:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:48

82% of race

Time at Steady Pace

47:15

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:51 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:30:2229:369:3229:36
9:32
#24339
10K
6.21 mi11:59:5059:049:3029:28
9:29
#24199
15K
9.32 mi12:29:511:29:059:3330:01
9:40
#24194
20K
12.43 mi12:59:531:59:079:3530:02
9:40
#23967
Half
13.11 mi13:06:222:05:369:356:29
9:30
#23942
25K
15.53 mi13:30:402:29:549:3924:18
10:01
#23847
30K
18.64 mi14:03:583:03:129:5033:18
10:43
#23752
20M
20.00 mi14:17:453:16:599:5113:47
10:09
#23582
21M
21.00 mi14:28:093:27:239:5310:24
10:24
#23356
35K
21.75 mi14:35:173:34:319:527:08
9:32
#23265
23M
23.00 mi14:47:533:47:079:5212:36
10:04
#23122
24M
24.00 mi14:57:373:56:519:529:44
9:44
#23015
40K
24.85 mi15:05:454:04:599:518:08
9:31
#22850
25.2M
25.20 mi15:09:184:08:329:523:33
10:18
#22782
Finish
26.22 mi15:18:494:18:039:519:31
9:20
#22711
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi243399868986824174(Top 85%)9767(Top 80%)9767(Top 983%)
10K6.21 mi3.10 mi24199+1409798+709798+7024065(Top 85%)9721(Top 79%)9721(Top 978%)
15K9.32 mi3.11 mi24194+59784+149784+1424174(Top 85%)9767(Top 80%)9767(Top 983%)
20K12.43 mi3.11 mi23967+2279676+1089676+10823399(Top 82%)9367(Top 77%)9367(Top 942%)
Half13.11 mi0.68 mi23942+259663+139663+1323592(Top 83%)9479(Top 78%)9479(Top 954%)
25K15.53 mi2.42 mi23847+959612+519612+5123319(Top 82%)9373(Top 77%)9373(Top 943%)
30K18.64 mi3.11 mi23752+959601+119601+1123441(Top 83%)9573(Top 78%)9573(Top 963%)
20M20.00 mi1.36 mi23582+1709527+749527+7421428(Top 75%)8595(Top 70%)8595(Top 865%)
21M21.00 mi1.00 mi23356+2269418+1099418+10919726(Top 69%)7760(Top 63%)7760(Top 781%)
35K21.75 mi0.75 mi23265+919384+349384+3420478(Top 72%)8240(Top 67%)8240(Top 829%)
23M23.00 mi1.25 mi23122+1439334+509334+5020708(Top 73%)8414(Top 69%)8414(Top 846%)
24M24.00 mi1.00 mi23015+1079299+359299+3520522(Top 72%)8362(Top 68%)8362(Top 841%)
40K24.85 mi0.85 mi22850+1659226+739226+7318804(Top 66%)7542(Top 62%)7542(Top 759%)
25.2M25.20 mi0.35 mi22782+689192+349192+3418348(Top 65%)7336(Top 60%)7336(Top 738%)
Finish26.22 mi1.02 mi22711+719170+229170+2220573(Top 72%)8440(Top 69%)8440(Top 849%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24174

Females

9767

F55-59

9767

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

24065

Females

9721

F55-59

9721

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24174

Females

9767

F55-59

9767

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23399

Females

9367

F55-59

9367

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23592

Females

9479

F55-59

9479

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23319

Females

9373

F55-59

9373

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23441

Females

9573

F55-59

9573

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21428

Females

8595

F55-59

8595

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19726

Females

7760

F55-59

7760

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20478

Females

8240

F55-59

8240

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20708

Females

8414

F55-59

8414

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20522

Females

8362

F55-59

8362

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18804

Females

7542

F55-59

7542

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18348

Females

7336

F55-59

7336

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20573

Females

8440

F55-59

8440

Passing Analysis

Category:
Athletes Passed
2214
Passed By
586
Net Change
+1628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24339
5K → 10K304164+140#24339#24199
10K → 15K146141+5#24199#24194
15K → 20K26235+227#24194#23967
20K → Half3611+25#23967#23942
Half → 25K16267+95#23942#23847
25K → 30K203108+95#23847#23752
30K → 20M18010+170#23752#23582
20M → 21M2315+226#23582#23356
21M → 35K976+91#23356#23265
35K → 23M15714+143#23265#23122
23M → 24M1158+107#23122#23015
24M → 40K1661+165#23015#22850
40K → 25.2M702+68#22850#22782
25.2M → Finish8514+71#22782#22711
TOTALS2214586+1628
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing