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BOSTON MARATHON 2025

David Schrader

Bib: 18731•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 38%
Division (M55-59)
#0 / 1648
Top 20%
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
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
7:02/mi
43:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:10/mi
1:06:14
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:29:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:04/mi
1:34:07
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:52:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:18:09
↑ 181↓ 1480.2%
20M
8:15/mi
2:29:21
↑ 64↓ 500.2%
21M
9:27/mi
2:38:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:44:48
↑ 17↓ 861.7%
23M
8:03/mi
2:54:53
↑ 23↓ 630.6%
24M
7:39/mi
3:02:32
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:09:09
↓ 200.3%
25.2M
9:43/mi
3:12:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:20:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:07
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:46:20
Pace8:07 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:5122:077:0722:07
7:07
-
10K
6.21 mi11:34:4143:577:0421:50
7:02
-0:05
15K
9.32 mi11:56:581:06:147:0622:17
7:10
+0:08
20K
12.43 mi12:20:021:29:187:1123:04
7:25
+0:15
Half
13.11 mi12:24:511:34:077:114:49
7:04
-0:21
25K
15.53 mi12:43:201:52:367:1518:29
7:37
+0:33
30K
18.64 mi13:08:532:18:097:2525:33
8:13
+0:36
20M
20.00 mi13:20:052:29:217:2811:12
8:15
+0:02
21M
21.00 mi13:29:322:38:487:349:27
9:27
+1:12
35K
21.75 mi13:35:322:44:487:356:00
8:01
-1:26
23M
23.00 mi13:45:372:54:537:3610:05
8:03
+0:02
24M
24.00 mi13:53:163:02:327:367:39
7:39
-0:24
40K
24.85 mi13:59:533:09:097:376:37
7:44
+0:05
25.2M
25.20 mi14:03:143:12:307:383:21
9:43
+1:59
Finish
26.22 mi14:11:113:20:277:397:57
7:48
-1:55

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

7:02 /mi

Average Pace

7:39 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:03

35% of race

Time at Steady Pace

1:19:51

40% of race

Time at Slower Pace

49:33

25% of race

Average Pace: 7:39 /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 mi11:12:5122:077:0722:07
7:07
#8805
10K
6.21 mi11:34:4143:577:0421:50
7:02
#8446
15K
9.32 mi11:56:581:06:147:0622:17
7:10
#8529
20K
12.43 mi12:20:021:29:187:1123:04
7:25
#8851
Half
13.11 mi12:24:511:34:077:114:49
7:04
#8789
25K
15.53 mi12:43:201:52:367:1518:29
7:37
#9111
30K
18.64 mi13:08:532:18:097:2525:33
8:13
#9798
20M
20.00 mi13:20:052:29:217:2811:12
8:15
#9934
21M
21.00 mi13:29:322:38:487:349:27
9:27
#10346
35K
21.75 mi13:35:322:44:487:356:00
8:01
#10430
23M
23.00 mi13:45:372:54:537:3610:05
8:03
#10366
24M
24.00 mi13:53:163:02:327:367:39
7:39
#10271
40K
24.85 mi13:59:533:09:097:376:37
7:44
#10159
25.2M
25.20 mi14:03:143:12:307:383:21
9:43
#10258
Finish
26.22 mi14:11:113:20:277:397:57
7:48
#10278
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8805749474948889(Top 31%)7488(Top 46%)7488(Top 454%)
10K6.21 mi3.10 mi8446+3597266+2287266+2288126(Top 29%)7049(Top 44%)7049(Top 428%)
15K9.32 mi3.11 mi8529-837306-407306-408889(Top 31%)7488(Top 46%)7488(Top 454%)
20K12.43 mi3.11 mi8851-3227475-1697475-16910097(Top 36%)8066(Top 50%)8066(Top 489%)
Half13.11 mi0.68 mi8789+627429+467429+468019(Top 28%)6920(Top 43%)6920(Top 420%)
25K15.53 mi2.42 mi9111-3227591-1627591-16210941(Top 39%)8357(Top 52%)8357(Top 507%)
30K18.64 mi3.11 mi9798-6877903-3127903-31212976(Top 46%)9125(Top 57%)9125(Top 554%)
20M20.00 mi1.36 mi9934-1367950-477950-4712055(Top 42%)8545(Top 53%)8545(Top 519%)
21M21.00 mi1.00 mi10346-4128101-1518101-15115825(Top 56%)10163(Top 63%)10163(Top 617%)
35K21.75 mi0.75 mi10430-848126-258126-2512346(Top 43%)8481(Top 53%)8481(Top 515%)
23M23.00 mi1.25 mi10366+648044+828044+8210408(Top 37%)7432(Top 46%)7432(Top 451%)
24M24.00 mi1.00 mi10271+957973+717973+718766(Top 31%)6533(Top 41%)6533(Top 396%)
40K24.85 mi0.85 mi10159+1127875+987875+988347(Top 29%)6185(Top 38%)6185(Top 375%)
25.2M25.20 mi0.35 mi10258-997912-377912-3715593(Top 55%)9659(Top 60%)9659(Top 586%)
Finish26.22 mi1.02 mi10278-207889+237889+2311418(Top 40%)7713(Top 48%)7713(Top 468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8889

Males

7488

M55-59

7488

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8126

Males

7049

M55-59

7049

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8889

Males

7488

M55-59

7488

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10097

Males

8066

M55-59

8066

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

8019

Males

6920

M55-59

6920

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10941

Males

8357

M55-59

8357

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12976

Males

9125

M55-59

9125

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

12055

Males

8545

M55-59

8545

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15825

Males

10163

M55-59

10163

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12346

Males

8481

M55-59

8481

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

10408

Males

7432

M55-59

7432

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8766

Males

6533

M55-59

6533

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8347

Males

6185

M55-59

6185

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15593

Males

9659

M55-59

9659

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11418

Males

7713

M55-59

7713

Passing Analysis

Category:
Athletes Passed
1483
Passed By
2953
Net Change
-1473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8805
5K → 10K43576+359#8805#8446
10K → 15K132215-83#8446#8529
15K → 20K86408-322#8529#8851
20K → Half686+62#8851#8789
Half → 25K78400-322#8789#9111
25K → 30K77764-687#9111#9798
30K → 20M79214-136#9798#9934
20M → 21M21431-412#9934#10346
21M → 35K30114-84#10346#10430
35K → 23M13470+64#10430#10366
23M → 24M12833+95#10366#10271
24M → 40K13422+112#10271#10159
40K → 25.2M14113-99#10159#10258
25.2M → Finish6787-20#10258#10278
TOTALS14832953-1473
📊

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