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BOSTON MARATHON 2025

Daniel Fung

Bib: 8853•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #8113
Start → 5K
21:52 | 7:02/mi
10K· 6.21 mi
43:23
Rank: #7731 (+382)
5K → 10K
21:31 | 6:56/mi
15K· 9.32 mi
1:04:56
Rank: #7542 (+189)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:26:52
Rank: #7428 (+114)
15K → 20K
21:56 | 7:04/mi
Half· 13.11 mi
1:31:38
Rank: #7427 (+1)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:49:01
Rank: #7377 (+50)
Half → 25K
17:23 | 7:10/mi
30K· 18.64 mi
2:12:51
Rank: #7520 (-143)
25K → 30K
23:50 | 7:40/mi
20M
2:23:50
Rank: #7686 (-166)
30K → 20M
10:59 | 8:05/mi
21M
2:32:23
Rank: #7798 (-112)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:38:18
Rank: #7884 (-86)
21M → 35K
5:55 | 7:55/mi
23M
2:48:37
Rank: #8070 (-186)
35K → 23M
10:19 | 8:14/mi
24M
2:56:42
Rank: #8202 (-132)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:03:49
Rank: #8316 (-114)
24M → 40K
7:07 | 8:19/mi
25.2M
3:06:53
Rank: #8361 (-45)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:14:41
Rank: #8444 (-83)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:38
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5021:527:0221:52
7:02
-
10K
6.21 mi11:09:2143:236:5921:31
6:56
-0:06
15K
9.32 mi11:30:541:04:566:5821:33
6:56
0:00
20K
12.43 mi11:52:501:26:526:5921:56
7:04
+0:08
Half
13.11 mi11:57:361:31:386:594:46
6:59
-0:05
25K
15.53 mi12:14:591:49:017:0117:23
7:10
+0:11
30K
18.64 mi12:38:492:12:517:0823:50
7:40
+0:30
20M
20.00 mi12:49:482:23:507:1110:59
8:05
+0:25
21M
21.00 mi12:58:212:32:237:158:33
8:33
+0:28
35K
21.75 mi13:04:162:38:187:175:55
7:55
-0:38
23M
23.00 mi13:14:352:48:377:2010:19
8:14
+0:19
24M
24.00 mi13:22:402:56:427:228:05
8:05
-0:09
40K
24.85 mi13:29:473:03:497:247:07
8:19
+0:14
25.2M
25.20 mi13:32:513:06:537:253:04
8:54
+0:35
Finish
26.22 mi13:40:393:14:417:267:48
7:39
-1:15

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

6:56 /mi

Average Pace

7:26 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:01

56% of race

Time at Steady Pace

37:33

19% of race

Time at Slower Pace

48:07

25% of race

Average Pace: 7:25 /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 mi10:47:5021:527:0221:52
7:02
#8113
10K
6.21 mi11:09:2143:236:5921:31
6:56
#7731
15K
9.32 mi11:30:541:04:566:5821:33
6:56
#7542
20K
12.43 mi11:52:501:26:526:5921:56
7:04
#7428
Half
13.11 mi11:57:361:31:386:594:46
6:59
#7427
25K
15.53 mi12:14:591:49:017:0117:23
7:10
#7377
30K
18.64 mi12:38:492:12:517:0823:50
7:40
#7520
20M
20.00 mi12:49:482:23:507:1110:59
8:05
#7686
21M
21.00 mi12:58:212:32:237:158:33
8:33
#7798
35K
21.75 mi13:04:162:38:187:175:55
7:55
#7884
23M
23.00 mi13:14:352:48:377:2010:19
8:14
#8070
24M
24.00 mi13:22:402:56:427:228:05
8:05
#8202
40K
24.85 mi13:29:473:03:497:247:07
8:19
#8316
25.2M
25.20 mi13:32:513:06:537:253:04
8:54
#8361
Finish
26.22 mi13:40:393:14:417:267:48
7:39
#8444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi8113707670767206(Top 25%)6405(Top 40%)6405(Top 285%)
10K6.21 mi3.10 mi7731+3826813+2636813+2637436(Top 26%)6593(Top 41%)6593(Top 293%)
15K9.32 mi3.11 mi7542+1896672+1416672+1417206(Top 25%)6405(Top 40%)6405(Top 285%)
20K12.43 mi3.11 mi7428+1146580+926580+927253(Top 26%)6386(Top 40%)6386(Top 284%)
Half13.11 mi0.68 mi7427+16579+16579+17487(Top 26%)6577(Top 41%)6577(Top 293%)
25K15.53 mi2.42 mi7377+506527+526527+527395(Top 26%)6380(Top 40%)6380(Top 284%)
30K18.64 mi3.11 mi7520-1436578-516578-518978(Top 32%)7124(Top 44%)7124(Top 317%)
20M20.00 mi1.36 mi7686-1666648-706648-7010946(Top 39%)7994(Top 50%)7994(Top 356%)
21M21.00 mi1.00 mi7798-1126685-376685-3710760(Top 38%)7740(Top 48%)7740(Top 344%)
35K21.75 mi0.75 mi7884-866712-276712-2711574(Top 41%)8109(Top 50%)8109(Top 361%)
23M23.00 mi1.25 mi8070-1866779-676779-6711598(Top 41%)8026(Top 50%)8026(Top 357%)
24M24.00 mi1.00 mi8202-1326832-536832-5311755(Top 41%)8028(Top 50%)8028(Top 357%)
40K24.85 mi0.85 mi8316-1146869-376869-3712251(Top 43%)8158(Top 51%)8158(Top 363%)
25.2M25.20 mi0.35 mi8361-456877-86877-811112(Top 39%)7518(Top 47%)7518(Top 335%)
Finish26.22 mi1.02 mi8444-836907-306907-3010312(Top 36%)7142(Top 44%)7142(Top 318%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7206

Males

6405

M40-44

6405

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7436

Males

6593

M40-44

6593

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7206

Males

6405

M40-44

6405

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7253

Males

6386

M40-44

6386

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7487

Males

6577

M40-44

6577

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7395

Males

6380

M40-44

6380

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8978

Males

7124

M40-44

7124

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10946

Males

7994

M40-44

7994

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10760

Males

7740

M40-44

7740

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11574

Males

8109

M40-44

8109

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11598

Males

8026

M40-44

8026

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11755

Males

8028

M40-44

8028

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12251

Males

8158

M40-44

8158

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11112

Males

7518

M40-44

7518

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10312

Males

7142

M40-44

7142

Passing Analysis

Category:
Athletes Passed
1531
Passed By
1862
Net Change
-331
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8113
5K → 10K45472+382#8113#7731
10K → 15K24455+189#7731#7542
15K → 20K18369+114#7542#7428
20K → Half2423+1#7428#7427
Half → 25K13282+50#7427#7377
25K → 30K132275-143#7377#7520
30K → 20M55221-166#7520#7686
20M → 21M61173-112#7686#7798
21M → 35K39125-86#7798#7884
35K → 23M62248-186#7884#8070
23M → 24M46178-132#8070#8202
24M → 40K43157-114#8202#8316
40K → 25.2M2368-45#8316#8361
25.2M → Finish33116-83#8361#8444
TOTALS15311862-331
📊

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