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BOSTON MARATHON 2025

Chao Wang

Bib: 5395•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:29
Rank: #2256
Start → 5K
6:16/mi
19:29 split
10K· 6.21 mi
39:01
Rank: #2280 (-24)
5K → 10K
6:17/mi
19:32 split
15K· 9.32 mi
58:38
Rank: #2317 (-37)
10K → 15K
6:19/mi
19:37 split
20K· 12.43 mi
1:18:41
Rank: #2442 (-125)
15K → 20K
6:27/mi
20:03 split
Half· 13.11 mi
1:23:05
Rank: #2490 (-48)
20K → Half
6:27/mi
4:24 split
25K· 15.53 mi
1:38:59
Rank: #2584 (-94)
Half → 25K
6:33/mi
15:54 split
30K· 18.64 mi
2:03:17
Rank: #3729 (-1145)
25K → 30K
7:49/mi
24:18 split
20M
2:12:38
Rank: #3658 (+71)
30K → 20M
6:53/mi
9:21 split
21M
2:19:54
Rank: #3625 (+33)
20M → 21M
7:16/mi
7:16 split
35K· 21.75 mi
2:25:00
Rank: #3612 (+13)
21M → 35K
6:49/mi
5:06 split
23M
2:33:51
Rank: #3611 (+1)
35K → 23M
7:04/mi
8:51 split
24M
2:41:01
Rank: #3678 (-67)
23M → 24M
7:10/mi
7:10 split
40K· 24.85 mi
2:47:13
Rank: #3714 (-36)
24M → 40K
7:15/mi
6:12 split
25.2M
2:50:02
Rank: #3758 (-44)
40K → 25.2M
8:10/mi
2:49 split
Finish· 26.22 mi
2:57:09
Rank: #3779 (-21)
25.2M → Finish
6:59/mi
7:07 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:05
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:34:04
Pace7:11 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4819:296:1619:29
6:16
-
10K
6.21 mi10:42:2039:016:1719:32
6:17
+0:01
15K
9.32 mi11:01:5758:386:1719:37
6:19
+0:02
20K
12.43 mi11:22:001:18:416:2020:03
6:27
+0:08
Half
13.11 mi11:26:241:23:056:204:24
6:27
0:00
25K
15.53 mi11:42:181:38:596:2215:54
6:33
+0:06
30K
18.64 mi12:06:362:03:176:3724:18
7:49
+1:16
20M
20.00 mi12:15:572:12:386:389:21
6:53
-0:56
21M
21.00 mi12:23:132:19:546:407:16
7:16
+0:23
35K
21.75 mi12:28:192:25:006:405:06
6:49
-0:27
23M
23.00 mi12:37:102:33:516:418:51
7:04
+0:15
24M
24.00 mi12:44:202:41:016:437:10
7:10
+0:06
40K
24.85 mi12:50:322:47:136:446:12
7:15
+0:05
25.2M
25.20 mi12:53:212:50:026:452:49
8:10
+0:55
Finish
26.22 mi13:00:282:57:096:467:07
6:59
-1:11

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

6:16 /mi

Average Pace

6:46 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:59

56% of race

Time at Steady Pace

30:25

17% of race

Time at Slower Pace

47:45

27% of race

Average Pace: 6:45 /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 mi10:22:4819:296:1619:29
6:16
#2256
10K
6.21 mi10:42:2039:016:1719:32
6:17
#2280
15K
9.32 mi11:01:5758:386:1719:37
6:19
#2317
20K
12.43 mi11:22:001:18:416:2020:03
6:27
#2442
Half
13.11 mi11:26:241:23:056:204:24
6:27
#2490
25K
15.53 mi11:42:181:38:596:2215:54
6:33
#2584
30K
18.64 mi12:06:362:03:176:3724:18
7:49
#3729
20M
20.00 mi12:15:572:12:386:389:21
6:53
#3658
21M
21.00 mi12:23:132:19:546:407:16
7:16
#3625
35K
21.75 mi12:28:192:25:006:405:06
6:49
#3612
23M
23.00 mi12:37:102:33:516:418:51
7:04
#3611
24M
24.00 mi12:44:202:41:016:437:10
7:10
#3678
40K
24.85 mi12:50:322:47:136:446:12
7:15
#3714
25.2M
25.20 mi12:53:212:50:026:452:49
8:10
#3758
Finish
26.22 mi13:00:282:57:096:467:07
6:59
#3779
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2256215521552410(Top 8%)2300(Top 14%)2300(Top 41%)
10K6.21 mi3.10 mi2280-242177-222177-222335(Top 8%)2234(Top 14%)2234(Top 40%)
15K9.32 mi3.11 mi2317-372212-352212-352410(Top 8%)2300(Top 14%)2300(Top 41%)
20K12.43 mi3.11 mi2442-1252330-1182330-1182837(Top 10%)2701(Top 17%)2701(Top 48%)
Half13.11 mi0.68 mi2490-482377-472377-473360(Top 12%)3186(Top 20%)3186(Top 56%)
25K15.53 mi2.42 mi2584-942466-892466-893199(Top 11%)3030(Top 19%)3030(Top 54%)
30K18.64 mi3.11 mi3729-11453518-10523518-105210090(Top 36%)7734(Top 48%)7734(Top 137%)
20M20.00 mi1.36 mi3658+713448+703448+703374(Top 12%)3120(Top 19%)3120(Top 55%)
21M21.00 mi1.00 mi3625+333413+353413+353443(Top 12%)3155(Top 20%)3155(Top 56%)
35K21.75 mi0.75 mi3612+133397+163397+164168(Top 15%)3721(Top 23%)3721(Top 66%)
23M23.00 mi1.25 mi3611+13392+53392+54131(Top 15%)3675(Top 23%)3675(Top 65%)
24M24.00 mi1.00 mi3678-673439-473439-475569(Top 20%)4632(Top 29%)4632(Top 82%)
40K24.85 mi0.85 mi3714-363467-283467-285302(Top 19%)4403(Top 27%)4403(Top 78%)
25.2M25.20 mi0.35 mi3758-443499-323499-326755(Top 24%)5174(Top 32%)5174(Top 92%)
Finish26.22 mi1.02 mi3779-213509-103509-105591(Top 20%)4462(Top 28%)4462(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2410

Males

2300

M18-39

2300

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2335

Males

2234

M18-39

2234

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2410

Males

2300

M18-39

2300

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2837

Males

2701

M18-39

2701

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3360

Males

3186

M18-39

3186

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3199

Males

3030

M18-39

3030

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

10090

Males

7734

M18-39

7734

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3374

Males

3120

M18-39

3120

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3443

Males

3155

M18-39

3155

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4168

Males

3721

M18-39

3721

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4131

Males

3675

M18-39

3675

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5569

Males

4632

M18-39

4632

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5302

Males

4403

M18-39

4403

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6755

Males

5174

M18-39

5174

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5591

Males

4462

M18-39

4462

Passing Analysis

Category:
Athletes Passed
616
Passed By
2139
Net Change
-1523
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2256
5K → 10K106130-24#2256#2280
10K → 15K6198-37#2280#2317
15K → 20K34159-125#2317#2442
20K → Half654-48#2442#2490
Half → 25K31125-94#2490#2584
25K → 30K31148-1145#2584#3729
30K → 20M9019+71#3729#3658
20M → 21M6734+33#3658#3625
21M → 35K3421+13#3625#3612
35K → 23M6463+1#3612#3611
23M → 24M2895-67#3611#3678
24M → 40K3975-36#3678#3714
40K → 25.2M751-44#3714#3758
25.2M → Finish4667-21#3758#3779
TOTALS6162139-1523
📊

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