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BOSTON MARATHON 2025

Wen Han

Bib: 21359•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F45-49)
#0 / 1813
Top 49%
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
8:24/mi
26:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:32/mi
1:19:08
↑ 67↓ 78
20K· 12.43 mi
8:34/mi
1:45:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:51:32
↑ 19↓ 370.5%
25K· 15.53 mi
8:40/mi
2:12:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:40:03
↑ 181↓ 1480.2%
20M
8:51/mi
2:52:04
↑ 64↓ 500.2%
21M
9:15/mi
3:01:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
3:07:37
↑ 17↓ 861.7%
23M
8:35/mi
3:18:22
↑ 23↓ 630.6%
24M
8:27/mi
3:26:49
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:34:01
↓ 200.3%
25.2M
9:17/mi
3:37:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:45:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:32
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:53:49
Pace8:41 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3526:068:2426:06
8:24
-
10K
6.21 mi11:47:0652:378:2826:31
8:32
+0:08
15K
9.32 mi12:13:371:19:088:2926:31
8:32
0:00
20K
12.43 mi12:40:141:45:458:3126:37
8:34
+0:02
Half
13.11 mi12:46:011:51:328:305:47
8:29
-0:05
25K
15.53 mi13:07:012:12:328:3221:00
8:40
+0:11
30K
18.64 mi13:34:322:40:038:3527:31
8:51
+0:11
20M
20.00 mi13:46:332:52:048:3612:01
8:51
0:00
21M
21.00 mi13:55:483:01:198:389:15
9:15
+0:24
35K
21.75 mi14:02:063:07:378:386:18
8:25
-0:50
23M
23.00 mi14:12:513:18:228:3710:45
8:35
+0:10
24M
24.00 mi14:21:183:26:498:378:27
8:27
-0:08
40K
24.85 mi14:28:303:34:018:377:12
8:25
-0:02
25.2M
25.20 mi14:31:423:37:138:373:12
9:17
+0:52
Finish
26.22 mi14:39:503:45:218:368:08
7:59
-1:18

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

7:59 /mi

Average Pace

8:36 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:22

77% of race

Time at Steady Pace

51:59

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:36 /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 mi11:20:3526:068:2426:06
8:24
#19319
10K
6.21 mi11:47:0652:378:2826:31
8:32
#19637
15K
9.32 mi12:13:371:19:088:2926:31
8:32
#19598
20K
12.43 mi12:40:141:45:458:3126:37
8:34
#19329
Half
13.11 mi12:46:011:51:328:305:47
8:29
#19310
25K
15.53 mi13:07:012:12:328:3221:00
8:40
#19104
30K
18.64 mi13:34:322:40:038:3527:31
8:51
#18677
20M
20.00 mi13:46:332:52:048:3612:01
8:51
#18445
21M
21.00 mi13:55:483:01:198:389:15
9:15
#18221
35K
21.75 mi14:02:063:07:378:386:18
8:25
#18093
23M
23.00 mi14:12:513:18:228:3710:45
8:35
#17821
24M
24.00 mi14:21:183:26:498:378:27
8:27
#17642
40K
24.85 mi14:28:303:34:018:377:12
8:25
#17472
25.2M
25.20 mi14:31:423:37:138:373:12
9:17
#17415
Finish
26.22 mi14:39:503:45:218:368:08
7:59
#17233
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi193197091709119540(Top 69%)7192(Top 59%)7192(Top 397%)
10K6.21 mi3.10 mi19637-3187260-1697260-16920002(Top 70%)7462(Top 61%)7462(Top 412%)
15K9.32 mi3.11 mi19598+397233+277233+2719540(Top 69%)7192(Top 59%)7192(Top 397%)
20K12.43 mi3.11 mi19329+2697098+1357098+13518644(Top 66%)6710(Top 55%)6710(Top 370%)
Half13.11 mi0.68 mi19310+197088+107088+1019066(Top 67%)6925(Top 57%)6925(Top 382%)
25K15.53 mi2.42 mi19104+2066971+1176971+11718159(Top 64%)6510(Top 53%)6510(Top 359%)
30K18.64 mi3.11 mi18677+4276760+2116760+21116941(Top 60%)6000(Top 49%)6000(Top 331%)
20M20.00 mi1.36 mi18445+2326665+956665+9515928(Top 56%)5555(Top 45%)5555(Top 306%)
21M21.00 mi1.00 mi18221+2246566+996566+9914919(Top 53%)5135(Top 42%)5135(Top 283%)
35K21.75 mi0.75 mi18093+1286508+586508+5815053(Top 53%)5270(Top 43%)5270(Top 291%)
23M23.00 mi1.25 mi17821+2726392+1166392+11613874(Top 49%)4746(Top 39%)4746(Top 262%)
24M24.00 mi1.00 mi17642+1796325+676325+6714236(Top 50%)4955(Top 41%)4955(Top 273%)
40K24.85 mi0.85 mi17472+1706262+636262+6312984(Top 46%)4446(Top 36%)4446(Top 245%)
25.2M25.20 mi0.35 mi17415+576238+246238+2413454(Top 47%)4763(Top 39%)4763(Top 263%)
Finish26.22 mi1.02 mi17233+1826146+926146+9212800(Top 45%)4343(Top 36%)4343(Top 240%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19540

Females

7192

F45-49

7192

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

20002

Females

7462

F45-49

7462

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19540

Females

7192

F45-49

7192

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18644

Females

6710

F45-49

6710

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

19066

Females

6925

F45-49

6925

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18159

Females

6510

F45-49

6510

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16941

Females

6000

F45-49

6000

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15928

Females

5555

F45-49

5555

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14919

Females

5135

F45-49

5135

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15053

Females

5270

F45-49

5270

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13874

Females

4746

F45-49

4746

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14236

Females

4955

F45-49

4955

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12984

Females

4446

F45-49

4446

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13454

Females

4763

F45-49

4763

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12800

Females

4343

F45-49

4343

Passing Analysis

Category:
Athletes Passed
2993
Passed By
907
Net Change
+2086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19319
5K → 10K138456-318#19319#19637
10K → 15K214175+39#19637#19598
15K → 20K33869+269#19598#19329
20K → Half4526+19#19329#19310
Half → 25K27266+206#19310#19104
25K → 30K47245+427#19104#18677
30K → 20M24715+232#18677#18445
20M → 21M23612+224#18445#18221
21M → 35K1324+128#18221#18093
35K → 23M28311+272#18093#17821
23M → 24M19112+179#17821#17642
24M → 40K1777+170#17642#17472
40K → 25.2M614+57#17472#17415
25.2M → Finish1875+182#17415#17233
TOTALS2993907+2086
📊

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