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BOSTON MARATHON 2025

Eugene Delsener

MA

Bib: 27517 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
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
10:56/mi
33:59
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:15/mi
1:08:57
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:51/mi
1:45:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
12:18/mi
2:23:59
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:44/mi
2:31:59
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:18/mi
3:01:49
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:00/mi
3:45:19
↑ 181↓ 1480.2%
138 ft elev
20M
14:23/mi
4:04:52
↑ 64↓ 500.2%
148 ft elev
21M
14:13/mi
4:19:05
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:39/mi
4:28:33
↑ 17↓ 861.7%
156 ft elev
23M
14:02/mi
4:46:07
↑ 23↓ 630.6%
116 ft elev
24M
12:28/mi
4:58:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
14:17/mi
5:10:48
↓ 200.3%
20 ft elev
25.2M
17:01/mi
5:16:40
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:08/mi
5:29:02
↑ 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
Time2:31:59
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time2:57:03
Pace13:30 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0433:5910:5633:59
10:56
-
10K
6.21 mi12:26:021:08:5711:0634:58
11:15
+0:19
15K
9.32 mi13:02:521:45:4711:2136:50
11:51
+0:36
20K
12.43 mi13:41:042:23:5911:3538:12
12:18
+0:27
Half
13.11 mi13:49:042:31:5911:368:00
11:44
-0:34
25K
15.53 mi14:18:543:01:4911:4229:50
12:18
+0:34
30K
18.64 mi15:02:243:45:1912:0543:30
14:00
+1:42
20M
20.00 mi15:21:574:04:5212:1519:33
14:23
+0:23
21M
21.00 mi15:36:104:19:0512:2014:13
14:13
-0:10
35K
21.75 mi15:45:384:28:3312:219:28
12:39
-1:34
23M
23.00 mi16:03:124:46:0712:2617:34
14:02
+1:23
24M
24.00 mi16:15:404:58:3512:2612:28
12:28
-1:34
40K
24.85 mi16:27:535:10:4812:3012:13
14:17
+1:49
25.2M
25.20 mi16:33:455:16:4012:345:52
17:01
+2:44
Finish
26.22 mi16:46:075:29:0212:3412:22
12:08
-4:53

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

10:56 /mi

Average Pace

12:34 /mi

Slowest Pace

17:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:57

21% of race

Time at Steady Pace

2:27:10

45% of race

Time at Slower Pace

1:52:55

34% of race

Average Pace: 12:33 /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 mi11:51:0433:5910:5633:59
10:56
#27494
10K
6.21 mi12:26:021:08:5711:0634:58
11:15
#27433
15K
9.32 mi13:02:521:45:4711:2136:50
11:51
#27488
20K
12.43 mi13:41:042:23:5911:3538:12
12:18
#27460
Half
13.11 mi13:49:042:31:5911:368:00
11:44
#27455
25K
15.53 mi14:18:543:01:4911:4229:50
12:18
#27329
30K
18.64 mi15:02:243:45:1912:0543:30
14:00
#27381
20M
20.00 mi15:21:574:04:5212:1519:33
14:23
#27405
21M
21.00 mi15:36:104:19:0512:2014:13
14:13
#27378
35K
21.75 mi15:45:384:28:3312:219:28
12:39
#27367
23M
23.00 mi16:03:124:46:0712:2617:34
14:02
#27386
24M
24.00 mi16:15:404:58:3512:2612:28
12:28
#27354
40K
24.85 mi16:27:535:10:4812:3012:13
14:17
#27357
25.2M
25.20 mi16:33:455:16:4012:345:52
17:01
#27387
Finish
26.22 mi16:46:075:29:0212:3412:22
12:08
#27392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi27494157811578127534(Top 97%)15757(Top 98%)15757(Top 6911%)
10K6.21 mi3.10 mi27433+6115760+2115760+2127338(Top 96%)15699(Top 97%)15699(Top 6886%)
15K9.32 mi3.11 mi27488-5515770-1015770-1027534(Top 97%)15757(Top 98%)15757(Top 6911%)
20K12.43 mi3.11 mi27460+2815755+1515755+1527348(Top 96%)15672(Top 97%)15672(Top 6874%)
Half13.11 mi0.68 mi27455+515754+115754+127251(Top 96%)15621(Top 97%)15621(Top 6851%)
25K15.53 mi2.42 mi27329+12615689+6515689+6526758(Top 94%)15405(Top 96%)15405(Top 6757%)
30K18.64 mi3.11 mi27381-5215679+1015679+1027515(Top 97%)15658(Top 97%)15658(Top 6868%)
20M20.00 mi1.36 mi27405-2415685-615685-627575(Top 97%)15648(Top 97%)15648(Top 6863%)
21M21.00 mi1.00 mi27378+2715671+1415671+1426465(Top 93%)15107(Top 94%)15107(Top 6626%)
35K21.75 mi0.75 mi27367+1115666+515666+526634(Top 94%)15159(Top 94%)15159(Top 6649%)
23M23.00 mi1.25 mi27386-19156661566627363(Top 96%)15510(Top 96%)15510(Top 6803%)
24M24.00 mi1.00 mi27354+3215642+2415642+2426281(Top 93%)14958(Top 93%)14958(Top 6561%)
40K24.85 mi0.85 mi27357-315637+515637+527389(Top 96%)15502(Top 96%)15502(Top 6799%)
25.2M25.20 mi0.35 mi27387-3015652-1515652-1528067(Top 99%)15863(Top 98%)15863(Top 6957%)
Finish26.22 mi1.02 mi27392-515656-415656-426949(Top 95%)15275(Top 95%)15275(Top 6700%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27534

Males

15757

M70-74

15757

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27338

Males

15699

M70-74

15699

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27534

Males

15757

M70-74

15757

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27348

Males

15672

M70-74

15672

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27251

Males

15621

M70-74

15621

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26758

Males

15405

M70-74

15405

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

27515

Males

15658

M70-74

15658

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27575

Males

15648

M70-74

15648

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26465

Males

15107

M70-74

15107

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26634

Males

15159

M70-74

15159

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

27363

Males

15510

M70-74

15510

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26281

Males

14958

M70-74

14958

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27389

Males

15502

M70-74

15502

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28067

Males

15863

M70-74

15863

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

26949

Males

15275

M70-74

15275

Passing Analysis

Category:
Athletes Passed
696
Passed By
594
Net Change
+102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27494
5K → 10K14483+61#27494#27433
10K → 15K68123-55#27433#27488
15K → 20K9163+28#27488#27460
20K → Half2520+5#27460#27455
Half → 25K14115+126#27455#27329
25K → 30K64116-52#27329#27381
30K → 20M2347-24#27381#27405
20M → 21M3811+27#27405#27378
21M → 35K176+11#27378#27367
35K → 23M1433-19#27367#27386
23M → 24M408+32#27386#27354
24M → 40K1518-3#27354#27357
40K → 25.2M131-30#27357#27387
25.2M → Finish1520-5#27387#27392
TOTALS696594+102
📊

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