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BOSTON MARATHON 2025

Bofei Cao

Bib: 6110•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M40-44)
#0 / 2247
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3909
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:50
Rank: #4283 (-374)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:01:24
Rank: #4298 (-15)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:22:14
Rank: #4311 (-13)
15K → 20K
20:50 | 6:42/mi
Half· 13.11 mi
1:26:44
Rank: #4296 (+15)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:00
Rank: #4217 (+79)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:03:46
Rank: #3884 (+333)
25K → 30K
20:46 | 6:41/mi
20M
2:12:52
Rank: #3723 (+161)
30K → 20M
9:06 | 6:42/mi
21M
2:19:52
Rank: #3612 (+111)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:24:35
Rank: #3490 (+122)
21M → 35K
4:43 | 6:18/mi
23M
2:32:50
Rank: #3317 (+173)
35K → 23M
8:15 | 6:35/mi
24M
2:39:12
Rank: #3175 (+142)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:44:42
Rank: #3049 (+126)
24M → 40K
5:30 | 6:26/mi
25.2M
2:46:55
Rank: #2945 (+104)
40K → 25.2M
2:13 | 6:25/mi
Finish· 26.22 mi
2:53:27
Rank: #2894 (+51)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:43
Pace6:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0920:146:3120:14
6:31
-
10K
6.21 mi10:46:4540:506:3420:36
6:38
+0:07
15K
9.32 mi11:07:191:01:246:3520:34
6:37
-0:01
20K
12.43 mi11:28:091:22:146:3720:50
6:42
+0:05
Half
13.11 mi11:32:391:26:446:374:30
6:36
-0:06
25K
15.53 mi11:48:551:43:006:3816:16
6:43
+0:07
30K
18.64 mi12:09:412:03:466:3820:46
6:41
-0:02
20M
20.00 mi12:18:472:12:526:399:06
6:42
+0:01
21M
21.00 mi12:25:472:19:526:407:00
7:00
+0:18
35K
21.75 mi12:30:302:24:356:394:43
6:18
-0:42
23M
23.00 mi12:38:452:32:506:398:15
6:35
+0:17
24M
24.00 mi12:45:072:39:126:386:22
6:22
-0:13
40K
24.85 mi12:50:372:44:426:385:30
6:26
+0:04
25.2M
25.20 mi12:52:502:46:556:372:13
6:25
-0:01
Finish
26.22 mi12:59:222:53:276:376:32
6:25
0:00

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

6:18 /mi

Average Pace

6:37 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:27

96% of race

Time at Steady Pace

7:00

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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 mi10:26:0920:146:3120:14
6:31
#3909
10K
6.21 mi10:46:4540:506:3420:36
6:38
#4283
15K
9.32 mi11:07:191:01:246:3520:34
6:37
#4298
20K
12.43 mi11:28:091:22:146:3720:50
6:42
#4311
Half
13.11 mi11:32:391:26:446:374:30
6:36
#4296
25K
15.53 mi11:48:551:43:006:3816:16
6:43
#4217
30K
18.64 mi12:09:412:03:466:3820:46
6:41
#3884
20M
20.00 mi12:18:472:12:526:399:06
6:42
#3723
21M
21.00 mi12:25:472:19:526:407:00
7:00
#3612
35K
21.75 mi12:30:302:24:356:394:43
6:18
#3490
23M
23.00 mi12:38:452:32:506:398:15
6:35
#3317
24M
24.00 mi12:45:072:39:126:386:22
6:22
#3175
40K
24.85 mi12:50:372:44:426:385:30
6:26
#3049
25.2M
25.20 mi12:52:502:46:556:372:13
6:25
#2945
Finish
26.22 mi12:59:222:53:276:376:32
6:25
#2894
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3909369936994371(Top 15%)4101(Top 25%)4101(Top 183%)
10K6.21 mi3.10 mi4283-3744027-3284027-3284683(Top 16%)4383(Top 27%)4383(Top 195%)
15K9.32 mi3.11 mi4298-154042-154042-154371(Top 15%)4101(Top 25%)4101(Top 183%)
20K12.43 mi3.11 mi4311-134051-94051-94462(Top 16%)4157(Top 26%)4157(Top 185%)
Half13.11 mi0.68 mi4296+154035+164035+164273(Top 15%)3995(Top 25%)3995(Top 178%)
25K15.53 mi2.42 mi4217+793958+773958+774185(Top 15%)3887(Top 24%)3887(Top 173%)
30K18.64 mi3.11 mi3884+3333656+3023656+3022803(Top 10%)2651(Top 16%)2651(Top 118%)
20M20.00 mi1.36 mi3723+1613505+1513505+1512441(Top 9%)2302(Top 14%)2302(Top 102%)
21M21.00 mi1.00 mi3612+1113401+1043401+1042245(Top 8%)2096(Top 13%)2096(Top 93%)
35K21.75 mi0.75 mi3490+1223294+1073294+1071635(Top 6%)1535(Top 10%)1535(Top 68%)
23M23.00 mi1.25 mi3317+1733128+1663128+1661785(Top 6%)1671(Top 10%)1671(Top 74%)
24M24.00 mi1.00 mi3175+1422996+1322996+1321536(Top 5%)1435(Top 9%)1435(Top 64%)
40K24.85 mi0.85 mi3049+1262877+1192877+1191386(Top 5%)1287(Top 8%)1287(Top 57%)
25.2M25.20 mi0.35 mi2945+1042781+962781+96334(Top 1%)310(Top 2%)310(Top 14%)
Finish26.22 mi1.02 mi2894+512733+482733+482405(Top 8%)2188(Top 14%)2188(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4371

Males

4101

M40-44

4101

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4683

Males

4383

M40-44

4383

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4371

Males

4101

M40-44

4101

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4462

Males

4157

M40-44

4157

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4273

Males

3995

M40-44

3995

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4185

Males

3887

M40-44

3887

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2803

Males

2651

M40-44

2651

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2441

Males

2302

M40-44

2302

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2245

Males

2096

M40-44

2096

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1635

Males

1535

M40-44

1535

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1785

Males

1671

M40-44

1671

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1536

Males

1435

M40-44

1435

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1386

Males

1287

M40-44

1287

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

334

Males

310

M40-44

310

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2405

Males

2188

M40-44

2188

Passing Analysis

Category:
Athletes Passed
1741
Passed By
726
Net Change
+1015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3909
5K → 10K37411-374#3909#4283
10K → 15K88103-15#4283#4298
15K → 20K97110-13#4298#4311
20K → Half3116+15#4311#4296
Half → 25K12849+79#4296#4217
25K → 30K34411+333#4217#3884
30K → 20M1654+161#3884#3723
20M → 21M1154+111#3723#3612
21M → 35K1220+122#3612#3490
35K → 23M1796+173#3490#3317
23M → 24M1420+142#3317#3175
24M → 40K1271+126#3175#3049
40K → 25.2M1040+104#3049#2945
25.2M → Finish6211+51#2945#2894
TOTALS1741726+1015
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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