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BOSTON MARATHON 2025

Thomas Eller

Bib: 4934•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Masters (Masters Men)
#0 / 10463
Top 6%
Division (M40-44)
#0 / 2247
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3833
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:28
Rank: #3868 (-35)
5K → 10K
20:16 | 6:31/mi
15K· 9.32 mi
1:01:01
Rank: #4001 (-133)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:21:28
Rank: #3854 (+147)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:25:56
Rank: #3854
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:41:52
Rank: #3739 (+115)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:02:53
Rank: #3614 (+125)
25K → 30K
21:01 | 6:46/mi
20M
2:12:04
Rank: #3504 (+110)
30K → 20M
9:11 | 6:45/mi
21M
2:19:16
Rank: #3439 (+65)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:24:11
Rank: #3389 (+50)
21M → 35K
4:55 | 6:34/mi
23M
2:32:45
Rank: #3297 (+92)
35K → 23M
8:34 | 6:51/mi
24M
2:39:26
Rank: #3236 (+61)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:45:12
Rank: #3170 (+66)
24M → 40K
5:46 | 6:45/mi
25.2M
2:47:47
Rank: #3143 (+27)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:54:36
Rank: #3145 (-2)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:56
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:28:40
Pace6:46 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2720:126:3020:12
6:30
-
10K
6.21 mi10:43:4340:286:3120:16
6:31
+0:01
15K
9.32 mi11:04:161:01:016:3320:33
6:37
+0:06
20K
12.43 mi11:24:431:21:286:3320:27
6:35
-0:02
Half
13.11 mi11:29:111:25:566:334:28
6:33
-0:02
25K
15.53 mi11:45:071:41:526:3315:56
6:34
+0:01
30K
18.64 mi12:06:082:02:536:3621:01
6:46
+0:12
20M
20.00 mi12:15:192:12:046:369:11
6:45
-0:01
21M
21.00 mi12:22:312:19:166:387:12
7:12
+0:27
35K
21.75 mi12:27:262:24:116:384:55
6:34
-0:38
23M
23.00 mi12:36:002:32:456:388:34
6:51
+0:17
24M
24.00 mi12:42:412:39:266:396:41
6:41
-0:10
40K
24.85 mi12:48:272:45:126:395:46
6:45
+0:04
25.2M
25.20 mi12:51:022:47:476:392:35
7:29
+0:44
Finish
26.22 mi12:57:512:54:366:406:49
6:41
-0:48

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

6:30 /mi

Average Pace

6:40 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:49

94% of race

Time at Steady Pace

9:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:23:2720:126:3020:12
6:30
#3833
10K
6.21 mi10:43:4340:286:3120:16
6:31
#3868
15K
9.32 mi11:04:161:01:016:3320:33
6:37
#4001
20K
12.43 mi11:24:431:21:286:3320:27
6:35
#3854
Half
13.11 mi11:29:111:25:566:334:28
6:33
#3854
25K
15.53 mi11:45:071:41:526:3315:56
6:34
#3739
30K
18.64 mi12:06:082:02:536:3621:01
6:46
#3614
20M
20.00 mi12:15:192:12:046:369:11
6:45
#3504
21M
21.00 mi12:22:312:19:166:387:12
7:12
#3439
35K
21.75 mi12:27:262:24:116:384:55
6:34
#3389
23M
23.00 mi12:36:002:32:456:388:34
6:51
#3297
24M
24.00 mi12:42:412:39:266:396:41
6:41
#3236
40K
24.85 mi12:48:272:45:126:395:46
6:45
#3170
25.2M
25.20 mi12:51:022:47:476:392:35
7:29
#3143
Finish
26.22 mi12:57:512:54:366:406:49
6:41
#3145
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3833362636264334(Top 15%)4068(Top 25%)4068(Top 181%)
10K6.21 mi3.10 mi3868-353658-323658-323893(Top 14%)3667(Top 23%)3667(Top 163%)
15K9.32 mi3.11 mi4001-1333772-1143772-1144334(Top 15%)4068(Top 25%)4068(Top 181%)
20K12.43 mi3.11 mi3854+1473632+1403632+1403589(Top 13%)3393(Top 21%)3393(Top 151%)
Half13.11 mi0.68 mi38543631+13631+13942(Top 14%)3706(Top 23%)3706(Top 165%)
25K15.53 mi2.42 mi3739+1153529+1023529+1023266(Top 11%)3092(Top 19%)3092(Top 138%)
30K18.64 mi3.11 mi3614+1253413+1163413+1163215(Top 11%)3009(Top 19%)3009(Top 134%)
20M20.00 mi1.36 mi3504+1103309+1043309+1042716(Top 10%)2545(Top 16%)2545(Top 113%)
21M21.00 mi1.00 mi3439+653250+593250+593110(Top 11%)2867(Top 18%)2867(Top 128%)
35K21.75 mi0.75 mi3389+503198+523198+522809(Top 10%)2591(Top 16%)2591(Top 115%)
23M23.00 mi1.25 mi3297+923110+883110+882896(Top 10%)2651(Top 16%)2651(Top 118%)
24M24.00 mi1.00 mi3236+613051+593051+592885(Top 10%)2625(Top 16%)2625(Top 117%)
40K24.85 mi0.85 mi3170+662985+662985+662568(Top 9%)2336(Top 15%)2336(Top 104%)
25.2M25.20 mi0.35 mi3143+272958+272958+273301(Top 12%)2891(Top 18%)2891(Top 129%)
Finish26.22 mi1.02 mi3145-22960-22960-23781(Top 13%)3269(Top 20%)3269(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4334

Males

4068

M40-44

4068

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3893

Males

3667

M40-44

3667

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4334

Males

4068

M40-44

4068

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3589

Males

3393

M40-44

3393

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3942

Males

3706

M40-44

3706

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3266

Males

3092

M40-44

3092

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3215

Males

3009

M40-44

3009

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2716

Males

2545

M40-44

2545

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3110

Males

2867

M40-44

2867

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2809

Males

2591

M40-44

2591

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2896

Males

2651

M40-44

2651

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2885

Males

2625

M40-44

2625

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2568

Males

2336

M40-44

2336

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3301

Males

2891

M40-44

2891

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3781

Males

3269

M40-44

3269

Passing Analysis

Category:
Athletes Passed
1284
Passed By
596
Net Change
+688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3833
5K → 10K122157-35#3833#3868
10K → 15K52185-133#3868#4001
15K → 20K18033+147#4001#3854
20K → Half12120#3854#3854
Half → 25K13419+115#3854#3739
25K → 30K16944+125#3739#3614
30K → 20M12212+110#3614#3504
20M → 21M8924+65#3504#3439
21M → 35K6212+50#3439#3389
35K → 23M11018+92#3389#3297
23M → 24M709+61#3297#3236
24M → 40K7711+66#3236#3170
40K → 25.2M3912+27#3170#3143
25.2M → Finish4648-2#3143#3145
TOTALS1284596+688
📊

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