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BOSTON MARATHON 2025

Christopher Yee

Bib: 9140•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M40-44)
#0 / 2247
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:44
Rank: #7755
Start → 5K
21:44 | 7:00/mi
10K· 6.21 mi
42:50
Rank: #7095 (+660)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:47
Rank: #6598 (+497)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:24:56
Rank: #6259 (+339)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:29:28
Rank: #6165 (+94)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:54
Rank: #5869 (+296)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:07:40
Rank: #5577 (+292)
25K → 30K
21:46 | 7:00/mi
20M
2:17:07
Rank: #5405 (+172)
30K → 20M
9:27 | 6:57/mi
21M
2:24:14
Rank: #5179 (+226)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:29:13
Rank: #5072 (+107)
21M → 35K
4:59 | 6:40/mi
23M
2:37:35
Rank: #4787 (+285)
35K → 23M
8:22 | 6:41/mi
24M
2:44:02
Rank: #4581 (+206)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:49:43
Rank: #4445 (+136)
24M → 40K
5:41 | 6:39/mi
25.2M
2:52:10
Rank: #4370 (+75)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:58:43
Rank: #4255 (+115)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:15
Pace6:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0021:447:0021:44
7:00
-
10K
6.21 mi11:09:0642:506:5421:06
6:47
-0:13
15K
9.32 mi11:30:031:03:476:5120:57
6:45
-0:02
20K
12.43 mi11:51:121:24:566:5021:09
6:48
+0:03
Half
13.11 mi11:55:441:29:286:494:32
6:39
-0:09
25K
15.53 mi12:12:101:45:546:4916:26
6:47
+0:08
30K
18.64 mi12:33:562:07:406:5121:46
7:00
+0:13
20M
20.00 mi12:43:232:17:076:519:27
6:57
-0:03
21M
21.00 mi12:50:302:24:146:527:07
7:07
+0:10
35K
21.75 mi12:55:292:29:136:524:59
6:40
-0:27
23M
23.00 mi13:03:512:37:356:518:22
6:41
+0:01
24M
24.00 mi13:10:182:44:026:506:27
6:27
-0:14
40K
24.85 mi13:15:592:49:436:505:41
6:39
+0:12
25.2M
25.20 mi13:18:262:52:106:502:27
7:06
+0:27
Finish
26.22 mi13:24:592:58:436:496:33
6:26
-0:40

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

6:26 /mi

Average Pace

6:49 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:09

95% of race

Time at Steady Pace

9:34

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:48:0021:447:0021:44
7:00
#7755
10K
6.21 mi11:09:0642:506:5421:06
6:47
#7095
15K
9.32 mi11:30:031:03:476:5120:57
6:45
#6598
20K
12.43 mi11:51:121:24:566:5021:09
6:48
#6259
Half
13.11 mi11:55:441:29:286:494:32
6:39
#6165
25K
15.53 mi12:12:101:45:546:4916:26
6:47
#5869
30K
18.64 mi12:33:562:07:406:5121:46
7:00
#5577
20M
20.00 mi12:43:232:17:076:519:27
6:57
#5405
21M
21.00 mi12:50:302:24:146:527:07
7:07
#5179
35K
21.75 mi12:55:292:29:136:524:59
6:40
#5072
23M
23.00 mi13:03:512:37:356:518:22
6:41
#4787
24M
24.00 mi13:10:182:44:026:506:27
6:27
#4581
40K
24.85 mi13:15:592:49:436:505:41
6:39
#4445
25.2M
25.20 mi13:18:262:52:106:502:27
7:06
#4370
Finish
26.22 mi13:24:592:58:436:496:33
6:26
#4255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7755683068305489(Top 19%)5035(Top 31%)5035(Top 224%)
10K6.21 mi3.10 mi7095+6606363+4676363+4676278(Top 22%)5701(Top 35%)5701(Top 254%)
15K9.32 mi3.11 mi6598+4975959+4045959+4045489(Top 19%)5035(Top 31%)5035(Top 224%)
20K12.43 mi3.11 mi6259+3395688+2715688+2715343(Top 19%)4899(Top 30%)4899(Top 218%)
Half13.11 mi0.68 mi6165+945614+745614+744745(Top 17%)4405(Top 27%)4405(Top 196%)
25K15.53 mi2.42 mi5869+2965353+2615353+2614689(Top 17%)4318(Top 27%)4318(Top 192%)
30K18.64 mi3.11 mi5577+2925102+2515102+2514709(Top 17%)4290(Top 27%)4290(Top 191%)
20M20.00 mi1.36 mi5405+1724950+1524950+1523822(Top 13%)3515(Top 22%)3515(Top 156%)
21M21.00 mi1.00 mi5179+2264751+1994751+1992758(Top 10%)2561(Top 16%)2561(Top 114%)
35K21.75 mi0.75 mi5072+1074655+964655+963276(Top 12%)2992(Top 19%)2992(Top 133%)
23M23.00 mi1.25 mi4787+2854401+2544401+2542176(Top 8%)2033(Top 13%)2033(Top 90%)
24M24.00 mi1.00 mi4581+2064217+1844217+1841863(Top 7%)1732(Top 11%)1732(Top 77%)
40K24.85 mi0.85 mi4445+1364093+1244093+1242154(Top 8%)1980(Top 12%)1980(Top 88%)
25.2M25.20 mi0.35 mi4370+754023+704023+701813(Top 6%)1652(Top 10%)1652(Top 74%)
Finish26.22 mi1.02 mi4255+1153916+1073916+1072449(Top 9%)2229(Top 14%)2229(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5489

Males

5035

M40-44

5035

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6278

Males

5701

M40-44

5701

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5489

Males

5035

M40-44

5035

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5343

Males

4899

M40-44

4899

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4745

Males

4405

M40-44

4405

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4689

Males

4318

M40-44

4318

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4709

Males

4290

M40-44

4290

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3822

Males

3515

M40-44

3515

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2758

Males

2561

M40-44

2561

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3276

Males

2992

M40-44

2992

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2176

Males

2033

M40-44

2033

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1863

Males

1732

M40-44

1732

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2154

Males

1980

M40-44

1980

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1813

Males

1652

M40-44

1652

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2449

Males

2229

M40-44

2229

Passing Analysis

Category:
Athletes Passed
3610
Passed By
110
Net Change
+3500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7755
5K → 10K67717+660#7755#7095
10K → 15K50710+497#7095#6598
15K → 20K34910+339#6598#6259
20K → Half973+94#6259#6165
Half → 25K30711+296#6165#5869
25K → 30K32735+292#5869#5577
30K → 20M1764+172#5577#5405
20M → 21M2337+226#5405#5179
21M → 35K1114+107#5179#5072
35K → 23M2850+285#5072#4787
23M → 24M2060+206#4787#4581
24M → 40K1382+136#4581#4445
40K → 25.2M761+75#4445#4370
25.2M → Finish1216+115#4370#4255
TOTALS3610110+3500
📊

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