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BOSTON MARATHON 2025

Wenyu Song

Bib: 24380•F

BC

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
8:28/mi
26:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:00
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:21:10
↑ 67↓ 78
20K· 12.43 mi
9:28/mi
1:50:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
1:56:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:21:05
↑ 66↓ 880.2%
30K· 18.64 mi
11:02/mi
2:55:22
↑ 181↓ 1480.2%
20M
11:04/mi
3:10:24
↑ 64↓ 500.2%
21M
11:52/mi
3:22:16
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:30:01
↑ 17↓ 861.7%
23M
11:11/mi
3:44:01
↑ 23↓ 630.6%
24M
10:44/mi
3:54:45
↓ 821.3%
40K· 24.85 mi
11:02/mi
4:04:11
↓ 200.3%
25.2M
12:37/mi
4:08:32
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:19:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:55
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:22:21
Pace10:52 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:1426:198:2826:19
8:28
-
10K
6.21 mi11:51:5553:008:3226:41
8:35
+0:07
15K
9.32 mi12:20:051:21:108:4328:10
9:04
+0:29
20K
12.43 mi12:49:311:50:368:5429:26
9:28
+0:24
Half
13.11 mi12:55:501:56:558:556:19
9:16
-0:12
25K
15.53 mi13:20:002:21:059:0524:10
9:58
+0:42
30K
18.64 mi13:54:172:55:229:2434:17
11:02
+1:04
20M
20.00 mi14:09:193:10:249:3115:02
11:04
+0:02
21M
21.00 mi14:21:113:22:169:3811:52
11:52
+0:48
35K
21.75 mi14:28:563:30:019:397:45
10:22
-1:30
23M
23.00 mi14:42:563:44:019:4414:00
11:11
+0:49
24M
24.00 mi14:53:403:54:459:4710:44
10:44
-0:27
40K
24.85 mi15:03:064:04:119:499:26
11:02
+0:18
25.2M
25.20 mi15:07:274:08:329:524:21
12:37
+1:35
Finish
26.22 mi15:18:114:19:169:5410:44
10:32
-2:05

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

8:28 /mi

Average Pace

9:54 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:55

45% of race

Time at Steady Pace

1:52:08

43% of race

Time at Slower Pace

30:13

12% of race

Average Pace: 9:53 /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 mi11:25:1426:198:2826:19
8:28
#19739
10K
6.21 mi11:51:5553:008:3226:41
8:35
#20018
15K
9.32 mi12:20:051:21:108:4328:10
9:04
#20801
20K
12.43 mi12:49:311:50:368:5429:26
9:28
#21449
Half
13.11 mi12:55:501:56:558:556:19
9:16
#21541
25K
15.53 mi13:20:002:21:059:0524:10
9:58
#21940
30K
18.64 mi13:54:172:55:229:2434:17
11:02
#22517
20M
20.00 mi14:09:193:10:249:3115:02
11:04
#22622
21M
21.00 mi14:21:113:22:169:3811:52
11:52
#22660
35K
21.75 mi14:28:563:30:019:397:45
10:22
#22657
23M
23.00 mi14:42:563:44:019:4414:00
11:11
#22726
24M
24.00 mi14:53:403:54:459:4710:44
10:44
#22730
40K
24.85 mi15:03:064:04:119:499:26
11:02
#22749
25.2M
25.20 mi15:07:274:08:329:524:21
12:37
#22783
Finish
26.22 mi15:18:114:19:169:5410:44
10:32
#22873
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi197397357735722325(Top 79%)8743(Top 71%)8743(Top 880%)
10K6.21 mi3.10 mi20018-2797479-1227479-12220317(Top 72%)7650(Top 63%)7650(Top 770%)
15K9.32 mi3.11 mi20801-7837924-4457924-44522325(Top 79%)8743(Top 71%)8743(Top 880%)
20K12.43 mi3.11 mi21449-6488289-3658289-36522821(Top 80%)9046(Top 74%)9046(Top 910%)
Half13.11 mi0.68 mi21541-928343-548343-5422846(Top 80%)9062(Top 74%)9062(Top 912%)
25K15.53 mi2.42 mi21940-3998570-2278570-22723183(Top 82%)9294(Top 76%)9294(Top 935%)
30K18.64 mi3.11 mi22517-5778921-3518921-35124062(Top 85%)9894(Top 81%)9894(Top 995%)
20M20.00 mi1.36 mi22622-1059001-809001-8023716(Top 83%)9798(Top 80%)9798(Top 986%)
21M21.00 mi1.00 mi22660-389036-359036-3523358(Top 82%)9686(Top 79%)9686(Top 974%)
35K21.75 mi0.75 mi22657+39049-139049-1322858(Top 80%)9471(Top 77%)9471(Top 953%)
23M23.00 mi1.25 mi22726-699113-649113-6423639(Top 83%)9918(Top 81%)9918(Top 998%)
24M24.00 mi1.00 mi22730-49136-239136-2323407(Top 82%)9832(Top 80%)9832(Top 989%)
40K24.85 mi0.85 mi22749-199163-279163-2723236(Top 82%)9823(Top 80%)9823(Top 988%)
25.2M25.20 mi0.35 mi22783-349193-309193-3024429(Top 86%)10387(Top 85%)10387(Top 1045%)
Finish26.22 mi1.02 mi22873-909258-659258-6524359(Top 86%)10336(Top 85%)10336(Top 1040%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22325

Females

8743

F55-59

8743

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20317

Females

7650

F55-59

7650

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22325

Females

8743

F55-59

8743

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

22821

Females

9046

F55-59

9046

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22846

Females

9062

F55-59

9062

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23183

Females

9294

F55-59

9294

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24062

Females

9894

F55-59

9894

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23716

Females

9798

F55-59

9798

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23358

Females

9686

F55-59

9686

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22858

Females

9471

F55-59

9471

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

23639

Females

9918

F55-59

9918

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23407

Females

9832

F55-59

9832

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23236

Females

9823

F55-59

9823

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24429

Females

10387

F55-59

10387

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24359

Females

10336

F55-59

10336

Passing Analysis

Category:
Athletes Passed
736
Passed By
3870
Net Change
-3134
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19739
5K → 10K157436-279#19739#20018
10K → 15K51834-783#20018#20801
15K → 20K73721-648#20801#21449
20K → Half9101-92#21449#21541
Half → 25K59458-399#21541#21940
25K → 30K67644-577#21940#22517
30K → 20M42147-105#22517#22622
20M → 21M66104-38#22622#22660
21M → 35K4441+3#22660#22657
35K → 23M51120-69#22657#22726
23M → 24M4953-4#22726#22730
24M → 40K3958-19#22730#22749
40K → 25.2M1246-34#22749#22783
25.2M → Finish17107-90#22783#22873
TOTALS7363870-3134
📊

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