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BOSTON MARATHON 2025

Qun Lin

Bib: 14975•M

CA

Masters
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0:00
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Age Group (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
24:18
Rank: #14996
Start → 5K
24:18 | 7:49/mi
10K· 6.21 mi
49:28
Rank: #16179 (-1183)
5K → 10K
25:10 | 8:06/mi
15K· 9.32 mi
1:15:12
Rank: #16833 (-654)
10K → 15K
25:44 | 8:17/mi
20K· 12.43 mi
1:41:38
Rank: #17197 (-364)
15K → 20K
26:26 | 8:30/mi
Half· 13.11 mi
1:47:01
Rank: #17079 (+118)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:08:00
Rank: #17208 (-129)
Half → 25K
20:59 | 8:39/mi
30K· 18.64 mi
2:35:29
Rank: #17087 (+121)
25K → 30K
27:29 | 8:51/mi
20M
2:47:55
Rank: #17101 (-14)
30K → 20M
12:26 | 9:09/mi
21M
2:58:08
Rank: #17245 (-144)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:05:10
Rank: #17362 (-117)
21M → 35K
7:02 | 9:24/mi
23M
3:16:16
Rank: #17247 (+115)
35K → 23M
11:06 | 8:52/mi
24M
3:24:43
Rank: #17092 (+155)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:32:18
Rank: #17034 (+58)
24M → 40K
7:35 | 8:52/mi
25.2M
3:35:39
Rank: #17001 (+33)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:44:06
Rank: #16933 (+68)
25.2M → Finish
8:27 | 8:18/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:47:01
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:57:05
Pace8:56 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4724:187:4924:18
7:49
-
10K
6.21 mi11:20:5749:287:5825:10
8:06
+0:17
15K
9.32 mi11:46:411:15:128:0425:44
8:17
+0:11
20K
12.43 mi12:13:071:41:388:1126:26
8:30
+0:13
Half
13.11 mi12:18:301:47:018:105:23
7:53
-0:37
25K
15.53 mi12:39:292:08:008:1420:59
8:39
+0:46
30K
18.64 mi13:06:582:35:298:2027:29
8:51
+0:12
20M
20.00 mi13:19:242:47:558:2412:26
9:09
+0:18
21M
21.00 mi13:29:372:58:088:2910:13
10:13
+1:04
35K
21.75 mi13:36:393:05:108:317:02
9:24
-0:49
23M
23.00 mi13:47:453:16:168:3211:06
8:52
-0:32
24M
24.00 mi13:56:123:24:438:328:27
8:27
-0:25
40K
24.85 mi14:03:473:32:188:327:35
8:52
+0:25
25.2M
25.20 mi14:07:083:35:398:333:21
9:43
+0:51
Finish
26.22 mi14:15:353:44:068:338:27
8:18
-1:25

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:49 /mi

Average Pace

8:33 /mi

Slowest Pace

10:13 /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

1:29:02

40% of race

Time at Steady Pace

1:42:02

46% of race

Time at Slower Pace

33:02

15% of race

Average Pace: 8:33 /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 mi10:55:4724:187:4924:18
7:49
#14996
10K
6.21 mi11:20:5749:287:5825:10
8:06
#16179
15K
9.32 mi11:46:411:15:128:0425:44
8:17
#16833
20K
12.43 mi12:13:071:41:388:1126:26
8:30
#17197
Half
13.11 mi12:18:301:47:018:105:23
7:53
#17079
25K
15.53 mi12:39:292:08:008:1420:59
8:39
#17208
30K
18.64 mi13:06:582:35:298:2027:29
8:51
#17087
20M
20.00 mi13:19:242:47:558:2412:26
9:09
#17101
21M
21.00 mi13:29:372:58:088:2910:13
10:13
#17245
35K
21.75 mi13:36:393:05:108:317:02
9:24
#17362
23M
23.00 mi13:47:453:16:168:3211:06
8:52
#17247
24M
24.00 mi13:56:123:24:438:328:27
8:27
#17092
40K
24.85 mi14:03:473:32:188:327:35
8:52
#17034
25.2M
25.20 mi14:07:083:35:398:333:21
9:43
#17001
Finish
26.22 mi14:15:353:44:068:338:27
8:18
#16933
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14996104271042717921(Top 63%)11601(Top 72%)11601(Top 704%)
10K6.21 mi3.10 mi16179-118310882-45510882-45517188(Top 61%)11324(Top 70%)11324(Top 687%)
15K9.32 mi3.11 mi16833-65411154-27211154-27217921(Top 63%)11601(Top 72%)11601(Top 704%)
20K12.43 mi3.11 mi17197-36411286-13211286-13218286(Top 64%)11735(Top 73%)11735(Top 712%)
Half13.11 mi0.68 mi17079+11811233+5311233+5314992(Top 53%)10354(Top 64%)10354(Top 628%)
25K15.53 mi2.42 mi17208-12911274-4111274-4118099(Top 64%)11567(Top 72%)11567(Top 702%)
30K18.64 mi3.11 mi17087+12111167+10711167+10716864(Top 59%)10860(Top 67%)10860(Top 659%)
20M20.00 mi1.36 mi17101-1411141+2611141+2617512(Top 62%)11040(Top 69%)11040(Top 670%)
21M21.00 mi1.00 mi17245-14411177-3611177-3619060(Top 67%)11645(Top 72%)11645(Top 707%)
35K21.75 mi0.75 mi17362-11711196-1911196-1919925(Top 70%)11930(Top 74%)11930(Top 724%)
23M23.00 mi1.25 mi17247+11511116+8011116+8015471(Top 54%)9850(Top 61%)9850(Top 598%)
24M24.00 mi1.00 mi17092+15511033+8311033+8314199(Top 50%)9241(Top 57%)9241(Top 561%)
40K24.85 mi0.85 mi17034+5810983+5010983+5015567(Top 55%)9701(Top 60%)9701(Top 589%)
25.2M25.20 mi0.35 mi17001+3310954+2910954+2915646(Top 55%)9712(Top 60%)9712(Top 589%)
Finish26.22 mi1.02 mi16933+6810910+4410910+4414852(Top 52%)9422(Top 59%)9422(Top 572%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17921

Males

11601

M55-59

11601

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17188

Males

11324

M55-59

11324

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17921

Males

11601

M55-59

11601

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18286

Males

11735

M55-59

11735

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14992

Males

10354

M55-59

10354

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18099

Males

11567

M55-59

11567

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16864

Males

10860

M55-59

10860

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17512

Males

11040

M55-59

11040

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19060

Males

11645

M55-59

11645

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19925

Males

11930

M55-59

11930

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15471

Males

9850

M55-59

9850

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14199

Males

9241

M55-59

9241

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15567

Males

9701

M55-59

9701

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15646

Males

9712

M55-59

9712

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

14852

Males

9422

M55-59

9422

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1529
Passed By
3466
Net Change
-1937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14996
5K → 10K551238-1183#14996#16179
10K → 15K70724-654#16179#16833
15K → 20K97461-364#16833#17197
20K → Half1191+118#17197#17079
Half → 25K124253-129#17079#17208
25K → 30K276155+121#17208#17087
30K → 20M87101-14#17087#17101
20M → 21M74218-144#17101#17245
21M → 35K39156-117#17245#17362
35K → 23M17358+115#17362#17247
23M → 24M16914+155#17247#17092
24M → 40K9739+58#17092#17034
40K → 25.2M5017+33#17034#17001
25.2M → Finish9931+68#17001#16933
TOTALS15293466-1937
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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