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BOSTON MARATHON 2025

Eric Gammenthaler

Bib: 4111•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #2933
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:52
Rank: #3178 (-245)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:04
Rank: #3290 (-112)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:20:34
Rank: #3388 (-98)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:25:03
Rank: #3423 (-35)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:05
Rank: #3428 (-5)
Half → 25K
16:02 | 6:37/mi
30K· 18.64 mi
2:02:31
Rank: #3478 (-50)
25K → 30K
21:26 | 6:54/mi
20M
2:12:27
Rank: #3609 (-131)
30K → 20M
9:56 | 7:19/mi
21M
2:20:11
Rank: #3703 (-94)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:25:47
Rank: #3849 (-146)
21M → 35K
5:36 | 7:29/mi
23M
2:36:04
Rank: #4271 (-422)
35K → 23M
10:17 | 8:13/mi
24M
2:46:15
Rank: #5282 (-1011)
23M → 24M
10:11 | 10:11/mi
40K· 24.85 mi
2:57:13
Rank: #6383 (-1101)
24M → 40K
10:58 | 12:50/mi
25.2M
3:00:38
Rank: #6501 (-118)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:08:39
Rank: #6669 (-168)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:03
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:43:36
Pace7:54 /mi
📊Positive Split: 21.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0719:486:2219:48
6:22
-
10K
6.21 mi10:42:1139:526:2520:04
6:28
+0:06
15K
9.32 mi11:02:231:00:046:2720:12
6:30
+0:02
20K
12.43 mi11:22:531:20:346:2920:30
6:36
+0:06
Half
13.11 mi11:27:221:25:036:294:29
6:34
-0:02
25K
15.53 mi11:43:241:41:056:3016:02
6:37
+0:03
30K
18.64 mi12:04:502:02:316:3421:26
6:54
+0:17
20M
20.00 mi12:14:462:12:276:379:56
7:19
+0:25
21M
21.00 mi12:22:302:20:116:417:44
7:44
+0:25
35K
21.75 mi12:28:062:25:476:425:36
7:29
-0:15
23M
23.00 mi12:38:232:36:046:4710:17
8:13
+0:44
24M
24.00 mi12:48:342:46:156:5610:11
10:11
+1:58
40K
24.85 mi12:59:322:57:137:0810:58
12:50
+2:39
25.2M
25.20 mi13:02:573:00:387:103:25
9:54
-2:56
Finish
26.22 mi13:10:583:08:397:128:01
7:52
-2:02

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

6:22 /mi

Average Pace

7:12 /mi

Slowest Pace

12:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:48

10% of race

Time at Steady Pace

2:14:00

71% of race

Time at Slower Pace

34:51

18% of race

Average Pace: 7:12 /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 mi10:22:0719:486:2219:48
6:22
#2933
10K
6.21 mi10:42:1139:526:2520:04
6:28
#3178
15K
9.32 mi11:02:231:00:046:2720:12
6:30
#3290
20K
12.43 mi11:22:531:20:346:2920:30
6:36
#3388
Half
13.11 mi11:27:221:25:036:294:29
6:34
#3423
25K
15.53 mi11:43:241:41:056:3016:02
6:37
#3428
30K
18.64 mi12:04:502:02:316:3421:26
6:54
#3478
20M
20.00 mi12:14:462:12:276:379:56
7:19
#3609
21M
21.00 mi12:22:302:20:116:417:44
7:44
#3703
35K
21.75 mi12:28:062:25:476:425:36
7:29
#3849
23M
23.00 mi12:38:232:36:046:4710:17
8:13
#4271
24M
24.00 mi12:48:342:46:156:5610:11
10:11
#5282
40K
24.85 mi12:59:322:57:137:0810:58
12:50
#6383
25.2M
25.20 mi13:02:573:00:387:103:25
9:54
#6501
Finish
26.22 mi13:10:583:08:397:128:01
7:52
#6669
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2933279227923591(Top 13%)3395(Top 21%)3395(Top 60%)
10K6.21 mi3.10 mi3178-2453023-2313023-2313447(Top 12%)3271(Top 20%)3271(Top 58%)
15K9.32 mi3.11 mi3290-1123128-1053128-1053591(Top 13%)3395(Top 21%)3395(Top 60%)
20K12.43 mi3.11 mi3388-983217-893217-893697(Top 13%)3492(Top 22%)3492(Top 62%)
Half13.11 mi0.68 mi3423-353246-293246-294239(Top 15%)3978(Top 25%)3978(Top 71%)
25K15.53 mi2.42 mi3428-53256-103256-103556(Top 13%)3353(Top 21%)3353(Top 59%)
30K18.64 mi3.11 mi3478-503291-353291-354082(Top 14%)3758(Top 23%)3758(Top 67%)
20M20.00 mi1.36 mi3609-1313406-1153406-1155857(Top 21%)5100(Top 32%)5100(Top 90%)
21M21.00 mi1.00 mi3703-943482-763482-765837(Top 21%)4956(Top 31%)4956(Top 88%)
35K21.75 mi0.75 mi3849-1463608-1263608-1268471(Top 30%)6563(Top 41%)6563(Top 116%)
23M23.00 mi1.25 mi4271-4223965-3573965-35711405(Top 40%)7935(Top 49%)7935(Top 141%)
24M24.00 mi1.00 mi5282-10114808-8434808-84321867(Top 77%)12735(Top 79%)12735(Top 226%)
40K24.85 mi0.85 mi6383-11015617-8095617-80926103(Top 92%)14845(Top 92%)14845(Top 263%)
25.2M25.20 mi0.35 mi6501-1185692-755692-7516510(Top 58%)10103(Top 63%)10103(Top 179%)
Finish26.22 mi1.02 mi6669-1685772-805772-8011896(Top 42%)7977(Top 50%)7977(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3591

Males

3395

M18-39

3395

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3447

Males

3271

M18-39

3271

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3591

Males

3395

M18-39

3395

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3697

Males

3492

M18-39

3492

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4239

Males

3978

M18-39

3978

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3556

Males

3353

M18-39

3353

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4082

Males

3758

M18-39

3758

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5857

Males

5100

M18-39

5100

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5837

Males

4956

M18-39

4956

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8471

Males

6563

M18-39

6563

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11405

Males

7935

M18-39

7935

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21867

Males

12735

M18-39

12735

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26103

Males

14845

M18-39

14845

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16510

Males

10103

M18-39

10103

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11896

Males

7977

M18-39

7977

Passing Analysis

Category:
Athletes Passed
451
Passed By
4187
Net Change
-3736
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2933
5K → 10K52297-245#2933#3178
10K → 15K51163-112#3178#3290
15K → 20K64162-98#3290#3388
20K → Half439-35#3388#3423
Half → 25K6974-5#3423#3428
25K → 30K99149-50#3428#3478
30K → 20M30161-131#3478#3609
20M → 21M23117-94#3609#3703
21M → 35K11157-146#3703#3849
35K → 23M16438-422#3849#4271
23M → 24M11012-1011#4271#5282
24M → 40K11102-1101#5282#6383
40K → 25.2M2120-118#6383#6501
25.2M → Finish28196-168#6501#6669
TOTALS4514187-3736
📊

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