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BOSTON MARATHON 2025

Kuan Yan

Bib: 3979•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #2900
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:27
Rank: #2717 (+183)
5K → 10K
19:39 | 6:19/mi
15K· 9.32 mi
59:06
Rank: #2641 (+76)
10K → 15K
19:39 | 6:19/mi
20K· 12.43 mi
1:19:10
Rank: #2671 (-30)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:23:28
Rank: #2655 (+16)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:39:00
Rank: #2586 (+69)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:59:07
Rank: #2386 (+200)
25K → 30K
20:07 | 6:28/mi
20M
2:08:01
Rank: #2322 (+64)
30K → 20M
8:54 | 6:33/mi
21M
2:14:53
Rank: #2257 (+65)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:19:42
Rank: #2236 (+21)
21M → 35K
4:49 | 6:26/mi
23M
2:28:09
Rank: #2216 (+20)
35K → 23M
8:27 | 6:45/mi
24M
2:34:40
Rank: #2182 (+34)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:40:24
Rank: #2171 (+11)
24M → 40K
5:44 | 6:42/mi
25.2M
2:43:01
Rank: #2183 (-12)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:49:45
Rank: #2223 (-40)
25.2M → Finish
6:44 | 6:36/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:28
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:26:17
Pace6:35 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1019:486:2219:48
6:22
-
10K
6.21 mi10:41:4939:276:2119:39
6:19
-0:03
15K
9.32 mi11:01:2859:066:2019:39
6:19
0:00
20K
12.43 mi11:21:321:19:106:2220:04
6:28
+0:09
Half
13.11 mi11:25:501:23:286:224:18
6:18
-0:10
25K
15.53 mi11:41:221:39:006:2215:32
6:24
+0:06
30K
18.64 mi12:01:291:59:076:2320:07
6:28
+0:04
20M
20.00 mi12:10:232:08:016:248:54
6:33
+0:05
21M
21.00 mi12:17:152:14:536:256:52
6:52
+0:19
35K
21.75 mi12:22:042:19:426:254:49
6:26
-0:26
23M
23.00 mi12:30:312:28:096:268:27
6:45
+0:19
24M
24.00 mi12:37:022:34:406:276:31
6:31
-0:14
40K
24.85 mi12:42:462:40:246:275:44
6:42
+0:11
25.2M
25.20 mi12:45:232:43:016:282:37
7:35
+0:53
Finish
26.22 mi12:52:072:49:456:296:44
6:36
-0:59

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

6:29 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

4:18

3% of race

Time at Steady Pace

2:21:47

84% of race

Time at Slower Pace

23:40

14% of race

Average Pace: 6:28 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:1019:486:2219:48
6:22
#2900
10K
6.21 mi10:41:4939:276:2119:39
6:19
#2717
15K
9.32 mi11:01:2859:066:2019:39
6:19
#2641
20K
12.43 mi11:21:321:19:106:2220:04
6:28
#2671
Half
13.11 mi11:25:501:23:286:224:18
6:18
#2655
25K
15.53 mi11:41:221:39:006:2215:32
6:24
#2586
30K
18.64 mi12:01:291:59:076:2320:07
6:28
#2386
20M
20.00 mi12:10:232:08:016:248:54
6:33
#2322
21M
21.00 mi12:17:152:14:536:256:52
6:52
#2257
35K
21.75 mi12:22:042:19:426:254:49
6:26
#2236
23M
23.00 mi12:30:312:28:096:268:27
6:45
#2216
24M
24.00 mi12:37:022:34:406:276:31
6:31
#2182
40K
24.85 mi12:42:462:40:246:275:44
6:42
#2171
25.2M
25.20 mi12:45:232:43:016:282:37
7:35
#2183
Finish
26.22 mi12:52:072:49:456:296:44
6:36
#2223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2900275927592484(Top 9%)2369(Top 15%)2369(Top 42%)
10K6.21 mi3.10 mi2717+1832588+1712588+1712556(Top 9%)2440(Top 15%)2440(Top 43%)
15K9.32 mi3.11 mi2641+762519+692519+692484(Top 9%)2369(Top 15%)2369(Top 42%)
20K12.43 mi3.11 mi2671-302546-272546-272859(Top 10%)2722(Top 17%)2722(Top 48%)
Half13.11 mi0.68 mi2655+162533+132533+132494(Top 9%)2383(Top 15%)2383(Top 42%)
25K15.53 mi2.42 mi2586+692468+652468+652391(Top 8%)2274(Top 14%)2274(Top 40%)
30K18.64 mi3.11 mi2386+2002276+1922276+1921874(Top 7%)1784(Top 11%)1784(Top 32%)
20M20.00 mi1.36 mi2322+642214+622214+621806(Top 6%)1710(Top 11%)1710(Top 30%)
21M21.00 mi1.00 mi2257+652154+602154+601749(Top 6%)1650(Top 10%)1650(Top 29%)
35K21.75 mi0.75 mi2236+212132+222132+222160(Top 8%)2019(Top 13%)2019(Top 36%)
23M23.00 mi1.25 mi2216+202110+222110+222449(Top 9%)2268(Top 14%)2268(Top 40%)
24M24.00 mi1.00 mi2182+342075+352075+352100(Top 7%)1947(Top 12%)1947(Top 35%)
40K24.85 mi0.85 mi2171+112063+122063+122363(Top 8%)2160(Top 13%)2160(Top 38%)
25.2M25.20 mi0.35 mi2183-122074-112074-113722(Top 13%)3204(Top 20%)3204(Top 57%)
Finish26.22 mi1.02 mi2223-402108-342108-343344(Top 12%)2928(Top 18%)2928(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2484

Males

2369

M18-39

2369

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2556

Males

2440

M18-39

2440

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2484

Males

2369

M18-39

2369

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2859

Males

2722

M18-39

2722

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2494

Males

2383

M18-39

2383

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2391

Males

2274

M18-39

2274

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1874

Males

1784

M18-39

1784

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1806

Males

1710

M18-39

1710

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1749

Males

1650

M18-39

1650

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2160

Males

2019

M18-39

2019

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2449

Males

2268

M18-39

2268

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2100

Males

1947

M18-39

1947

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2363

Males

2160

M18-39

2160

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3722

Males

3204

M18-39

3204

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3344

Males

2928

M18-39

2928

Passing Analysis

Category:
Athletes Passed
1098
Passed By
421
Net Change
+677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2900
5K → 10K23653+183#2900#2717
10K → 15K11539+76#2717#2641
15K → 20K5787-30#2641#2671
20K → Half248+16#2671#2655
Half → 25K9728+69#2655#2586
25K → 30K21515+200#2586#2386
30K → 20M7410+64#2386#2322
20M → 21M7611+65#2322#2257
21M → 35K298+21#2257#2236
35K → 23M5434+20#2236#2216
23M → 24M4814+34#2216#2182
24M → 40K4029+11#2182#2171
40K → 25.2M1123-12#2171#2183
25.2M → Finish2262-40#2183#2223
TOTALS1098421+677
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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