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BOSTON MARATHON 2025

David Pedra

Bib: 31862•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:04/mi
25:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:14:39
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:39:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:44:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:57/mi
2:03:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:29:25
↑ 181↓ 1480.2%
20M
8:06/mi
2:40:25
↑ 64↓ 500.2%
21M
8:22/mi
2:48:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:54:36
↑ 17↓ 861.7%
23M
8:02/mi
3:04:39
↑ 23↓ 630.6%
24M
7:51/mi
3:12:30
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:19:19
↓ 200.3%
25.2M
8:45/mi
3:22:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:28/mi
3:29:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:37
Pace7:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5725:048:0425:04
8:04
-
10K
6.21 mi12:10:5550:028:0324:58
8:02
-0:02
15K
9.32 mi12:35:321:14:398:0124:37
7:55
-0:07
20K
12.43 mi13:00:101:39:177:5924:38
7:56
+0:01
Half
13.11 mi13:05:301:44:377:595:20
7:49
-0:07
25K
15.53 mi13:24:472:03:547:5919:17
7:57
+0:08
30K
18.64 mi13:50:182:29:258:0125:31
8:13
+0:16
20M
20.00 mi14:01:182:40:258:0111:00
8:06
-0:07
21M
21.00 mi14:09:402:48:478:028:22
8:22
+0:16
35K
21.75 mi14:15:292:54:368:025:49
7:46
-0:36
23M
23.00 mi14:25:323:04:398:0210:03
8:02
+0:16
24M
24.00 mi14:33:233:12:308:017:51
7:51
-0:11
40K
24.85 mi14:40:123:19:198:016:49
7:58
+0:07
25.2M
25.20 mi14:43:133:22:208:023:01
8:45
+0:47
Finish
26.22 mi14:50:503:29:578:017:37
7:28
-1:17

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

7:28 /mi

Average Pace

8:01 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:03

82% of race

Time at Steady Pace

36:54

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /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 mi11:45:5725:048:0425:04
8:04
#17128
10K
6.21 mi12:10:5550:028:0324:58
8:02
#16910
15K
9.32 mi12:35:321:14:398:0124:37
7:55
#16399
20K
12.43 mi13:00:101:39:177:5924:38
7:56
#15840
Half
13.11 mi13:05:301:44:377:595:20
7:49
#15770
25K
15.53 mi13:24:472:03:547:5919:17
7:57
#15368
30K
18.64 mi13:50:182:29:258:0125:31
8:13
#14853
20M
20.00 mi14:01:182:40:258:0111:00
8:06
#14492
21M
21.00 mi14:09:402:48:478:028:22
8:22
#14156
35K
21.75 mi14:15:292:54:368:025:49
7:46
#13997
23M
23.00 mi14:25:323:04:398:0210:03
8:02
#13740
24M
24.00 mi14:33:233:12:308:017:51
7:51
#13554
40K
24.85 mi14:40:123:19:198:016:49
7:58
#13397
25.2M
25.20 mi14:43:133:22:208:023:01
8:45
#13331
Finish
26.22 mi14:50:503:29:578:017:37
7:28
#13202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17128112621126215399(Top 54%)10541(Top 65%)10541(Top 187%)
10K6.21 mi3.10 mi16910+21811189+7311189+7316726(Top 59%)11119(Top 69%)11119(Top 197%)
15K9.32 mi3.11 mi16399+51110974+21510974+21515399(Top 54%)10541(Top 65%)10541(Top 187%)
20K12.43 mi3.11 mi15840+55910734+24010734+24014332(Top 50%)10021(Top 62%)10021(Top 178%)
Half13.11 mi0.68 mi15770+7010700+3410700+3414337(Top 50%)10030(Top 62%)10030(Top 178%)
25K15.53 mi2.42 mi15368+40210508+19210508+19213523(Top 48%)9529(Top 59%)9529(Top 169%)
30K18.64 mi3.11 mi14853+51510216+29210216+29212920(Top 45%)9097(Top 56%)9097(Top 161%)
20M20.00 mi1.36 mi14492+36110038+17810038+17811073(Top 39%)8072(Top 50%)8072(Top 143%)
21M21.00 mi1.00 mi14156+3369863+1759863+1759643(Top 34%)7186(Top 45%)7186(Top 127%)
35K21.75 mi0.75 mi13997+1599770+939770+9310617(Top 37%)7686(Top 48%)7686(Top 136%)
23M23.00 mi1.25 mi13740+2579620+1509620+15010217(Top 36%)7350(Top 46%)7350(Top 130%)
24M24.00 mi1.00 mi13554+1869509+1119509+11110189(Top 36%)7270(Top 45%)7270(Top 129%)
40K24.85 mi0.85 mi13397+1579418+919418+919997(Top 35%)7053(Top 44%)7053(Top 125%)
25.2M25.20 mi0.35 mi13331+669372+469372+4610290(Top 36%)7114(Top 44%)7114(Top 126%)
Finish26.22 mi1.02 mi13202+1299295+779295+779011(Top 32%)6451(Top 40%)6451(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15399

Males

10541

M18-39

10541

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16726

Males

11119

M18-39

11119

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15399

Males

10541

M18-39

10541

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14332

Males

10021

M18-39

10021

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

14337

Males

10030

M18-39

10030

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

13523

Males

9529

M18-39

9529

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12920

Males

9097

M18-39

9097

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11073

Males

8072

M18-39

8072

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9643

Males

7186

M18-39

7186

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

10617

Males

7686

M18-39

7686

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10217

Males

7350

M18-39

7350

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10189

Males

7270

M18-39

7270

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9997

Males

7053

M18-39

7053

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10290

Males

7114

M18-39

7114

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9011

Males

6451

M18-39

6451

Passing Analysis

Category:
Athletes Passed
4301
Passed By
375
Net Change
+3926
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17128
5K → 10K414196+218#17128#16910
10K → 15K54332+511#16910#16399
15K → 20K57718+559#16399#15840
20K → Half799+70#15840#15770
Half → 25K41412+402#15770#15368
25K → 30K55237+515#15368#14853
30K → 20M3676+361#14853#14492
20M → 21M3393+336#14492#14156
21M → 35K1667+159#14156#13997
35K → 23M26710+257#13997#13740
23M → 24M19610+186#13740#13554
24M → 40K1669+157#13554#13397
40K → 25.2M7711+66#13397#13331
25.2M → Finish14415+129#13331#13202
TOTALS4301375+3926
📊

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