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BOSTON MARATHON 2025

Daniel Guan

CA

Bib: 26662 M

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:31/mi
23:20
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:07/mi
45:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:16/mi
1:08:00
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:26/mi
1:31:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:21/mi
1:36:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:50/mi
1:55:06
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:15/mi
2:20:45
↑ 181↓ 1480.2%
138 ft elev
20M
8:20/mi
2:32:04
↑ 64↓ 500.2%
148 ft elev
21M
8:35/mi
2:40:39
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:48/mi
2:46:29
↑ 17↓ 861.7%
156 ft elev
23M
8:16/mi
2:56:50
↑ 23↓ 630.6%
116 ft elev
24M
8:18/mi
3:05:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:23/mi
3:12:18
↓ 200.3%
20 ft elev
25.2M
8:42/mi
3:15:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:48/mi
3:23:15
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:47:09
Pace8:10 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3823:207:3123:20
7:31
-
10K
6.21 mi12:03:4445:267:1922:06
7:07
-0:24
15K
9.32 mi12:26:181:08:007:1822:34
7:16
+0:09
20K
12.43 mi12:49:231:31:057:2023:05
7:26
+0:10
Half
13.11 mi12:54:241:36:067:205:01
7:21
-0:05
25K
15.53 mi13:13:241:55:067:2519:00
7:50
+0:29
30K
18.64 mi13:39:032:20:457:3325:39
8:15
+0:25
20M
20.00 mi13:50:222:32:047:3611:19
8:20
+0:05
21M
21.00 mi13:58:572:40:397:398:35
8:35
+0:15
35K
21.75 mi14:04:472:46:297:395:50
7:48
-0:47
23M
23.00 mi14:15:082:56:507:4110:21
8:16
+0:28
24M
24.00 mi14:23:263:05:087:438:18
8:18
+0:02
40K
24.85 mi14:30:363:12:187:447:10
8:23
+0:05
25.2M
25.20 mi14:33:363:15:187:453:00
8:42
+0:19
Finish
26.22 mi14:41:333:23:157:457:57
7:48
-0:54

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

7:07 /mi

Average Pace

7:45 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:06

47% of race

Time at Steady Pace

32:47

16% of race

Time at Slower Pace

1:14:22

37% of race

Average Pace: 7:45 /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 mi11:41:3823:207:3123:20
7:31
#12332
10K
6.21 mi12:03:4445:267:1922:06
7:07
#10434
15K
9.32 mi12:26:181:08:007:1822:34
7:16
#10168
20K
12.43 mi12:49:231:31:057:2023:05
7:26
#10125
Half
13.11 mi12:54:241:36:067:205:01
7:21
#10138
25K
15.53 mi13:13:241:55:067:2519:00
7:50
#10537
30K
18.64 mi13:39:032:20:457:3325:39
8:15
#11027
20M
20.00 mi13:50:222:32:047:3611:19
8:20
#11106
21M
21.00 mi13:58:572:40:397:398:35
8:35
#11071
35K
21.75 mi14:04:472:46:297:395:50
7:48
#11033
23M
23.00 mi14:15:082:56:507:4110:21
8:16
#11045
24M
24.00 mi14:23:263:05:087:438:18
8:18
#11117
40K
24.85 mi14:30:363:12:187:447:10
8:23
#11151
25.2M
25.20 mi14:33:363:15:187:453:00
8:42
#11117
Finish
26.22 mi14:41:333:23:157:457:57
7:48
#11104
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi12332931993199675(Top 34%)7910(Top 49%)7910(Top 140%)
10K6.21 mi3.10 mi10434+18988389+9308389+9308783(Top 31%)7468(Top 46%)7468(Top 132%)
15K9.32 mi3.11 mi10168+2668223+1668223+1669675(Top 34%)7910(Top 49%)7910(Top 140%)
20K12.43 mi3.11 mi10125+438172+518172+5110154(Top 36%)8098(Top 50%)8098(Top 144%)
Half13.11 mi0.68 mi10138-138179-78179-710455(Top 37%)8268(Top 51%)8268(Top 147%)
25K15.53 mi2.42 mi10537-3998360-1818360-18112611(Top 44%)9117(Top 57%)9117(Top 162%)
30K18.64 mi3.11 mi11027-4908514-1548514-15413186(Top 46%)9212(Top 57%)9212(Top 163%)
20M20.00 mi1.36 mi11106-798519-58519-512640(Top 45%)8828(Top 55%)8828(Top 156%)
21M21.00 mi1.00 mi11071+358463+568463+5610967(Top 39%)7854(Top 49%)7854(Top 139%)
35K21.75 mi0.75 mi11033+388411+528411+5210770(Top 38%)7752(Top 48%)7752(Top 137%)
23M23.00 mi1.25 mi11045-128378+338378+3311795(Top 42%)8132(Top 50%)8132(Top 144%)
24M24.00 mi1.00 mi11117-728373+58373+513234(Top 47%)8759(Top 54%)8759(Top 155%)
40K24.85 mi0.85 mi11151-348353+208353+2012644(Top 45%)8350(Top 52%)8350(Top 148%)
25.2M25.20 mi0.35 mi11117+348318+358318+359964(Top 35%)6940(Top 43%)6940(Top 123%)
Finish26.22 mi1.02 mi11104+138276+428276+4211426(Top 40%)7721(Top 48%)7721(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9675

Males

7910

M18-39

7910

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8783

Males

7468

M18-39

7468

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9675

Males

7910

M18-39

7910

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10154

Males

8098

M18-39

8098

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

10455

Males

8268

M18-39

8268

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12611

Males

9117

M18-39

9117

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13186

Males

9212

M18-39

9212

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12640

Males

8828

M18-39

8828

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10967

Males

7854

M18-39

7854

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10770

Males

7752

M18-39

7752

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11795

Males

8132

M18-39

8132

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13234

Males

8759

M18-39

8759

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12644

Males

8350

M18-39

8350

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9964

Males

6940

M18-39

6940

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11426

Males

7721

M18-39

7721

Passing Analysis

Category:
Athletes Passed
3281
Passed By
2051
Net Change
+1228
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12332
5K → 10K19079+1898#12332#10434
10K → 15K32458+266#10434#10168
15K → 20K194150+43#10168#10125
20K → Half2235-13#10125#10138
Half → 25K76475-399#10138#10537
25K → 30K114603-490#10537#11027
30K → 20M91170-79#11027#11106
20M → 21M11277+35#11106#11071
21M → 35K7840+38#11071#11033
35K → 23M102114-12#11033#11045
23M → 24M64136-72#11045#11117
24M → 40K6599-34#11117#11151
40K → 25.2M5218+34#11151#11117
25.2M → Finish8067+13#11117#11104
TOTALS32812051+1228
📊

Passing Visuals

Category:
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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