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BOSTON MARATHON 2025

Ding Han

Bib: 28553•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
7:18/mi
22:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
45:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:54
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:31:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:21/mi
1:36:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:55:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:20:46
↑ 181↓ 1480.2%
20M
8:09/mi
2:31:51
↑ 64↓ 500.2%
21M
8:41/mi
2:40:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:38/mi
2:46:15
↑ 17↓ 861.7%
23M
7:54/mi
2:56:09
↑ 23↓ 630.6%
24M
7:49/mi
3:03:58
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:10:50
↓ 200.3%
25.2M
8:45/mi
3:13:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:21:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:40
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:45:14
Pace8:02 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:2222:407:1822:40
7:18
-
10K
6.21 mi12:02:0645:247:1822:44
7:19
+0:01
15K
9.32 mi12:24:361:07:547:1722:30
7:15
-0:04
20K
12.43 mi12:48:211:31:397:2223:45
7:39
+0:24
Half
13.11 mi12:53:221:36:407:225:01
7:21
-0:18
25K
15.53 mi13:12:131:55:317:2618:51
7:46
+0:25
30K
18.64 mi13:37:282:20:467:3325:15
8:08
+0:22
20M
20.00 mi13:48:332:31:517:3611:05
8:09
+0:01
21M
21.00 mi13:57:142:40:327:398:41
8:41
+0:32
35K
21.75 mi14:02:572:46:157:395:43
7:38
-1:03
23M
23.00 mi14:12:512:56:097:409:54
7:54
+0:16
24M
24.00 mi14:20:403:03:587:407:49
7:49
-0:05
40K
24.85 mi14:27:323:10:507:416:52
8:02
+0:13
25.2M
25.20 mi14:30:333:13:517:423:01
8:45
+0:43
Finish
26.22 mi14:38:363:21:547:428:03
7:54
-0:51

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

7:15 /mi

Average Pace

7:42 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:55

36% of race

Time at Steady Pace

1:20:57

40% of race

Time at Slower Pace

48:02

24% of race

Average Pace: 7:42 /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 mi11:39:2222:407:1822:40
7:18
#10318
10K
6.21 mi12:02:0645:247:1822:44
7:19
#10392
15K
9.32 mi12:24:361:07:547:1722:30
7:15
#10082
20K
12.43 mi12:48:211:31:397:2223:45
7:39
#10538
Half
13.11 mi12:53:221:36:407:225:01
7:21
#10515
25K
15.53 mi13:12:131:55:317:2618:51
7:46
#10760
30K
18.64 mi13:37:282:20:467:3325:15
8:08
#11036
20M
20.00 mi13:48:332:31:517:3611:05
8:09
#11020
21M
21.00 mi13:57:142:40:327:398:41
8:41
#11025
35K
21.75 mi14:02:572:46:157:395:43
7:38
#10955
23M
23.00 mi14:12:512:56:097:409:54
7:54
#10804
24M
24.00 mi14:20:403:03:587:407:49
7:49
#10739
40K
24.85 mi14:27:323:10:507:416:52
8:02
#10696
25.2M
25.20 mi14:30:333:13:517:423:01
8:45
#10666
Finish
26.22 mi14:38:363:21:547:428:03
7:54
#10697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10318834283429478(Top 33%)7812(Top 49%)7812(Top 138%)
10K6.21 mi3.10 mi10392-748364-228364-2210482(Top 37%)8401(Top 52%)8401(Top 149%)
15K9.32 mi3.11 mi10082+3108179+1858179+1859478(Top 33%)7812(Top 49%)7812(Top 138%)
20K12.43 mi3.11 mi10538-4568391-2128391-21211895(Top 42%)8916(Top 55%)8916(Top 158%)
Half13.11 mi0.68 mi10515+238379+128379+1210448(Top 37%)8261(Top 51%)8261(Top 146%)
25K15.53 mi2.42 mi10760-2458467-888467-8812105(Top 43%)8900(Top 55%)8900(Top 158%)
30K18.64 mi3.11 mi11036-2768519-528519-5212276(Top 43%)8807(Top 55%)8807(Top 156%)
20M20.00 mi1.36 mi11020+168471+488471+4811483(Top 40%)8272(Top 51%)8272(Top 147%)
21M21.00 mi1.00 mi11025-58440+318440+3111550(Top 41%)8143(Top 51%)8143(Top 144%)
35K21.75 mi0.75 mi10955+708379+618379+619620(Top 34%)7174(Top 45%)7174(Top 127%)
23M23.00 mi1.25 mi10804+1518268+1118268+1119335(Top 33%)6892(Top 43%)6892(Top 122%)
24M24.00 mi1.00 mi10739+658196+728196+729908(Top 35%)7117(Top 44%)7117(Top 126%)
40K24.85 mi0.85 mi10696+438144+528144+5210405(Top 37%)7251(Top 45%)7251(Top 129%)
25.2M25.20 mi0.35 mi10666+308120+248120+2410247(Top 36%)7071(Top 44%)7071(Top 125%)
Finish26.22 mi1.02 mi10697-318098+228098+2212137(Top 43%)8103(Top 50%)8103(Top 144%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9478

Males

7812

M18-39

7812

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10482

Males

8401

M18-39

8401

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9478

Males

7812

M18-39

7812

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11895

Males

8916

M18-39

8916

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10448

Males

8261

M18-39

8261

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12105

Males

8900

M18-39

8900

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12276

Males

8807

M18-39

8807

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

11483

Males

8272

M18-39

8272

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11550

Males

8143

M18-39

8143

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9620

Males

7174

M18-39

7174

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9335

Males

6892

M18-39

6892

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9908

Males

7117

M18-39

7117

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10405

Males

7251

M18-39

7251

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10247

Males

7071

M18-39

7071

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12137

Males

8103

M18-39

8103

Passing Analysis

Category:
Athletes Passed
1770
Passed By
2148
Net Change
-379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10318
5K → 10K219293-74#10318#10392
10K → 15K35848+310#10392#10082
15K → 20K73528-456#10082#10538
20K → Half4926+23#10538#10515
Half → 25K102347-245#10515#10760
25K → 30K161437-276#10760#11036
30K → 20M131115+16#11036#11020
20M → 21M9297-5#11020#11025
21M → 35K8818+70#11025#10955
35K → 23M18130+151#10955#10804
23M → 24M10944+65#10804#10739
24M → 40K9148+43#10739#10696
40K → 25.2M5424+30#10696#10666
25.2M → Finish6293-31#10666#10697
TOTALS17702148-379
📊

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