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BOSTON MARATHON 2025

Michael Tang

Bib: 23880•X

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Other)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:52
Rank: #20723
Start → 5K
26:52 | 8:39/mi
10K· 6.21 mi
53:55
Rank: #20780 (-57)
5K → 10K
27:03 | 8:42/mi
15K· 9.32 mi
1:21:43
Rank: #21072 (-292)
10K → 15K
27:48 | 8:57/mi
20K· 12.43 mi
1:50:08
Rank: #21228 (-156)
15K → 20K
28:25 | 9:09/mi
Half· 13.11 mi
1:56:13
Rank: #21246 (-18)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:19:10
Rank: #21372 (-126)
Half → 25K
22:57 | 9:28/mi
30K· 18.64 mi
2:49:23
Rank: #21277 (+95)
25K → 30K
30:13 | 9:44/mi
20M
3:02:32
Rank: #21142 (+135)
30K → 20M
13:09 | 9:41/mi
21M
3:12:35
Rank: #20977 (+165)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:19:22
Rank: #20889 (+88)
21M → 35K
6:47 | 9:04/mi
23M
3:31:23
Rank: #20782 (+107)
35K → 23M
12:01 | 9:36/mi
24M
3:40:56
Rank: #20759 (+23)
23M → 24M
9:33 | 9:33/mi
40K· 24.85 mi
3:49:29
Rank: #20755 (+4)
24M → 40K
8:33 | 10:00/mi
25.2M
3:53:02
Rank: #20714 (+41)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
4:02:16
Rank: #20667 (+47)
25.2M → Finish
9:14 | 9:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:13
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:06:03
Pace9:37 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4326:528:3926:52
8:39
-
10K
6.21 mi11:52:4653:558:4127:03
8:42
+0:03
15K
9.32 mi12:20:341:21:438:4627:48
8:57
+0:15
20K
12.43 mi12:48:591:50:088:5228:25
9:09
+0:12
Half
13.11 mi12:55:041:56:138:526:05
8:55
-0:14
25K
15.53 mi13:18:012:19:108:5822:57
9:28
+0:33
30K
18.64 mi13:48:142:49:239:0530:13
9:44
+0:16
20M
20.00 mi14:01:233:02:329:0813:09
9:41
-0:03
21M
21.00 mi14:11:263:12:359:1010:03
10:03
+0:22
35K
21.75 mi14:18:133:19:229:106:47
9:04
-0:59
23M
23.00 mi14:30:143:31:239:1112:01
9:36
+0:32
24M
24.00 mi14:39:473:40:569:129:33
9:33
-0:03
40K
24.85 mi14:48:203:49:299:148:33
10:00
+0:27
25.2M
25.20 mi14:51:533:53:029:153:33
10:18
+0:18
Finish
26.22 mi15:01:074:02:169:159:14
9:04
-1:14

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

8:39 /mi

Average Pace

9:15 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:11

64% of race

Time at Steady Pace

1:23:32

34% of race

Time at Slower Pace

3:33

1% of race

Average Pace: 9:14 /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 mi11:25:4326:528:3926:52
8:39
#20723
10K
6.21 mi11:52:4653:558:4127:03
8:42
#20780
15K
9.32 mi12:20:341:21:438:4627:48
8:57
#21072
20K
12.43 mi12:48:591:50:088:5228:25
9:09
#21228
Half
13.11 mi12:55:041:56:138:526:05
8:55
#21246
25K
15.53 mi13:18:012:19:108:5822:57
9:28
#21372
30K
18.64 mi13:48:142:49:239:0530:13
9:44
#21277
20M
20.00 mi14:01:233:02:329:0813:09
9:41
#21142
21M
21.00 mi14:11:263:12:359:1010:03
10:03
#20977
35K
21.75 mi14:18:133:19:229:106:47
9:04
#20889
23M
23.00 mi14:30:143:31:239:1112:01
9:36
#20782
24M
24.00 mi14:39:473:40:569:129:33
9:33
#20759
40K
24.85 mi14:48:203:49:299:148:33
10:00
#20755
25.2M
25.20 mi14:51:533:53:029:153:33
10:18
#20714
Finish
26.22 mi15:01:074:02:169:159:14
9:04
#20667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi20723595921778(Top 77%)59(Top 83%)59
10K6.21 mi3.10 mi20780-57595920888(Top 74%)59(Top 83%)59
15K9.32 mi3.11 mi21072-29260-160-121778(Top 77%)59(Top 83%)59
20K12.43 mi3.11 mi21228-156606021648(Top 76%)58(Top 82%)58
Half13.11 mi0.68 mi21246-18606021426(Top 75%)58(Top 82%)58
25K15.53 mi2.42 mi21372-126606021741(Top 77%)56(Top 79%)56
30K18.64 mi3.11 mi21277+95606020758(Top 73%)54(Top 76%)54
20M20.00 mi1.36 mi21142+13558+258+219845(Top 70%)53(Top 75%)53
21M21.00 mi1.00 mi20977+16556+256+218459(Top 65%)50(Top 70%)50
35K21.75 mi0.75 mi20889+88565618521(Top 65%)48(Top 68%)48
23M23.00 mi1.25 mi20782+107565619052(Top 67%)48(Top 68%)48
24M24.00 mi1.00 mi20759+23565619771(Top 70%)48(Top 68%)48
40K24.85 mi0.85 mi20755+4565620435(Top 72%)53(Top 75%)53
25.2M25.20 mi0.35 mi20714+41565618185(Top 64%)46(Top 65%)46
Finish26.22 mi1.02 mi20667+47565619296(Top 68%)51(Top 72%)51

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21778

X

59

Age Div

59

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

20888

X

59

Age Div

59

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21778

X

59

Age Div

59

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21648

X

58

Age Div

58

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21426

X

58

Age Div

58

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21741

X

56

Age Div

56

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20758

X

54

Age Div

54

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19845

X

53

Age Div

53

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18459

X

50

Age Div

50

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18521

X

48

Age Div

48

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

19052

X

48

Age Div

48

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19771

X

48

Age Div

48

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20435

X

53

Age Div

53

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18185

X

46

Age Div

46

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19296

X

51

Age Div

51

Passing Analysis

Category:
Athletes Passed
1720
Passed By
1664
Net Change
+56
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20723
5K → 10K259316-57#20723#20780
10K → 15K101393-292#20780#21072
15K → 20K151307-156#21072#21228
20K → Half2442-18#21228#21246
Half → 25K112238-126#21246#21372
25K → 30K236141+95#21372#21277
30K → 20M16631+135#21277#21142
20M → 21M18217+165#21142#20977
21M → 35K10012+88#20977#20889
35K → 23M14235+107#20889#20782
23M → 24M7552+23#20782#20759
24M → 40K5349+4#20759#20755
40K → 25.2M5110+41#20755#20714
25.2M → Finish6821+47#20714#20667
TOTALS17201664+56
📊

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