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BOSTON MARATHON 2025

Tom Flummerfelt

Bib: 9807•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M50-54)
#0 / 1996
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #7360
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
43:08
Rank: #7446 (-86)
5K → 10K
21:34 | 6:56/mi
15K· 9.32 mi
1:04:40
Rank: #7360 (+86)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:26:08
Rank: #7076 (+284)
15K → 20K
21:28 | 6:55/mi
Half· 13.11 mi
1:30:47
Rank: #7025 (+51)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:47:39
Rank: #6795 (+230)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:09:38
Rank: #6354 (+441)
25K → 30K
21:59 | 7:05/mi
20M
2:19:16
Rank: #6159 (+195)
30K → 20M
9:38 | 7:05/mi
21M
2:26:45
Rank: #6008 (+151)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:31:54
Rank: #5928 (+80)
21M → 35K
5:09 | 6:53/mi
23M
2:40:53
Rank: #5775 (+153)
35K → 23M
8:59 | 7:10/mi
24M
2:47:53
Rank: #5667 (+108)
23M → 24M
7:00 | 7:00/mi
40K· 24.85 mi
2:53:59
Rank: #5575 (+92)
24M → 40K
6:06 | 7:08/mi
25.2M
2:56:39
Rank: #5523 (+52)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:03:35
Rank: #5429 (+94)
25.2M → Finish
6:56 | 6:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:47
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:32:48
Pace7:05 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1121:346:5621:34
6:56
-
10K
6.21 mi11:08:4543:086:5621:34
6:56
0:00
15K
9.32 mi11:30:171:04:406:5621:32
6:56
0:00
20K
12.43 mi11:51:451:26:086:5621:28
6:55
-0:01
Half
13.11 mi11:56:241:30:476:554:39
6:49
-0:06
25K
15.53 mi12:13:161:47:396:5616:52
6:57
+0:08
30K
18.64 mi12:35:152:09:386:5721:59
7:05
+0:08
20M
20.00 mi12:44:532:19:166:589:38
7:05
0:00
21M
21.00 mi12:52:222:26:456:597:29
7:29
+0:24
35K
21.75 mi12:57:312:31:546:595:09
6:53
-0:36
23M
23.00 mi13:06:302:40:537:008:59
7:10
+0:17
24M
24.00 mi13:13:302:47:537:007:00
7:00
-0:10
40K
24.85 mi13:19:362:53:597:006:06
7:08
+0:08
25.2M
25.20 mi13:22:162:56:397:012:40
7:44
+0:36
Finish
26.22 mi13:29:123:03:357:006:56
6:48
-0:56

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

6:48 /mi

Average Pace

7:00 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:26

94% of race

Time at Steady Pace

10:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:00 /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 mi10:47:1121:346:5621:34
6:56
#7360
10K
6.21 mi11:08:4543:086:5621:34
6:56
#7446
15K
9.32 mi11:30:171:04:406:5621:32
6:56
#7360
20K
12.43 mi11:51:451:26:086:5621:28
6:55
#7076
Half
13.11 mi11:56:241:30:476:554:39
6:49
#7025
25K
15.53 mi12:13:161:47:396:5616:52
6:57
#6795
30K
18.64 mi12:35:152:09:386:5721:59
7:05
#6354
20M
20.00 mi12:44:532:19:166:589:38
7:05
#6159
21M
21.00 mi12:52:222:26:456:597:29
7:29
#6008
35K
21.75 mi12:57:312:31:546:595:09
6:53
#5928
23M
23.00 mi13:06:302:40:537:008:59
7:10
#5775
24M
24.00 mi13:13:302:47:537:007:00
7:00
#5667
40K
24.85 mi13:19:362:53:597:006:06
7:08
#5575
25.2M
25.20 mi13:22:162:56:397:012:40
7:44
#5523
Finish
26.22 mi13:29:123:03:357:006:56
6:48
#5429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7360656565657165(Top 25%)6371(Top 40%)6371(Top 319%)
10K6.21 mi3.10 mi7446-866616-516616-517543(Top 27%)6671(Top 41%)6671(Top 334%)
15K9.32 mi3.11 mi7360+866546+706546+707165(Top 25%)6371(Top 40%)6371(Top 319%)
20K12.43 mi3.11 mi7076+2846330+2166330+2166271(Top 22%)5643(Top 35%)5643(Top 283%)
Half13.11 mi0.68 mi7025+516289+416289+416279(Top 22%)5664(Top 35%)5664(Top 284%)
25K15.53 mi2.42 mi6795+2306093+1966093+1966029(Top 21%)5420(Top 34%)5420(Top 272%)
30K18.64 mi3.11 mi6354+4415715+3785715+3785182(Top 18%)4690(Top 29%)4690(Top 235%)
20M20.00 mi1.36 mi6159+1955542+1735542+1734630(Top 16%)4200(Top 26%)4200(Top 210%)
21M21.00 mi1.00 mi6008+1515411+1315411+1314552(Top 16%)4042(Top 25%)4042(Top 203%)
35K21.75 mi0.75 mi5928+805344+675344+674646(Top 16%)4124(Top 26%)4124(Top 207%)
23M23.00 mi1.25 mi5775+1535206+1385206+1384732(Top 17%)4129(Top 26%)4129(Top 207%)
24M24.00 mi1.00 mi5667+1085108+985108+984642(Top 16%)4013(Top 25%)4013(Top 201%)
40K24.85 mi0.85 mi5575+925023+855023+854682(Top 16%)3987(Top 25%)3987(Top 200%)
25.2M25.20 mi0.35 mi5523+524975+484975+484528(Top 16%)3806(Top 24%)3806(Top 191%)
Finish26.22 mi1.02 mi5429+944888+874888+874528(Top 16%)3820(Top 24%)3820(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7165

Males

6371

M50-54

6371

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7543

Males

6671

M50-54

6671

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7165

Males

6371

M50-54

6371

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6271

Males

5643

M50-54

5643

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6279

Males

5664

M50-54

5664

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6029

Males

5420

M50-54

5420

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5182

Males

4690

M50-54

4690

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4630

Males

4200

M50-54

4200

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4552

Males

4042

M50-54

4042

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4646

Males

4124

M50-54

4124

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4732

Males

4129

M50-54

4129

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4642

Males

4013

M50-54

4013

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4682

Males

3987

M50-54

3987

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4528

Males

3806

M50-54

3806

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4528

Males

3820

M50-54

3820

Passing Analysis

Category:
Athletes Passed
2407
Passed By
476
Net Change
+1931
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7360
5K → 10K160246-86#7360#7446
10K → 15K18094+86#7446#7360
15K → 20K30824+284#7360#7076
20K → Half587+51#7076#7025
Half → 25K24717+230#7025#6795
25K → 30K45312+441#6795#6354
30K → 20M2049+195#6354#6159
20M → 21M1587+151#6159#6008
21M → 35K877+80#6008#5928
35K → 23M17118+153#5928#5775
23M → 24M1146+108#5775#5667
24M → 40K10614+92#5667#5575
40K → 25.2M575+52#5575#5523
25.2M → Finish10410+94#5523#5429
TOTALS2407476+1931
📊

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