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BOSTON MARATHON 2025

Bob Schahfer

Bib: 22161•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 10%
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
8:09/mi
25:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
50:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:16:19
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:41:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:16/mi
2:07:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:33:38
↑ 181↓ 1480.2%
20M
8:21/mi
2:44:59
↑ 64↓ 500.2%
21M
8:41/mi
2:53:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:59:53
↑ 17↓ 861.7%
23M
8:06/mi
3:10:02
↑ 23↓ 630.6%
24M
7:54/mi
3:17:56
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:24:45
↓ 200.3%
25.2M
8:51/mi
3:27:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:35:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:47:20
Pace8:11 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:13
Pace8:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4825:208:0925:20
8:09
-
10K
6.21 mi11:47:0950:418:0925:21
8:10
+0:01
15K
9.32 mi12:12:471:16:198:1125:38
8:15
+0:05
20K
12.43 mi12:38:141:41:468:1125:27
8:11
-0:04
Half
13.11 mi12:43:481:47:208:115:34
8:10
-0:01
25K
15.53 mi13:03:512:07:238:1220:03
8:16
+0:06
30K
18.64 mi13:30:062:33:388:1426:15
8:27
+0:11
20M
20.00 mi13:41:272:44:598:1511:21
8:21
-0:06
21M
21.00 mi13:50:082:53:408:168:41
8:41
+0:20
35K
21.75 mi13:56:212:59:538:166:13
8:19
-0:22
23M
23.00 mi14:06:303:10:028:1610:09
8:06
-0:13
24M
24.00 mi14:14:243:17:568:157:54
7:54
-0:12
40K
24.85 mi14:21:133:24:458:146:49
7:58
+0:04
25.2M
25.20 mi14:24:163:27:488:153:03
8:51
+0:53
Finish
26.22 mi14:32:013:35:338:147:45
7:36
-1:15

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

7:36 /mi

Average Pace

8:14 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:34

82% of race

Time at Steady Pace

37:59

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:13 /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 mi11:21:4825:208:0925:20
8:09
#17754
10K
6.21 mi11:47:0950:418:0925:21
8:10
#17664
15K
9.32 mi12:12:471:16:198:1125:38
8:15
#17682
20K
12.43 mi12:38:141:41:468:1125:27
8:11
#17265
Half
13.11 mi12:43:481:47:208:115:34
8:10
#17243
25K
15.53 mi13:03:512:07:238:1220:03
8:16
#16956
30K
18.64 mi13:30:062:33:388:1426:15
8:27
#16462
20M
20.00 mi13:41:272:44:598:1511:21
8:21
#16193
21M
21.00 mi13:50:082:53:408:168:41
8:41
#15875
35K
21.75 mi13:56:212:59:538:166:13
8:19
#15771
23M
23.00 mi14:06:303:10:028:1610:09
8:06
#15467
24M
24.00 mi14:14:243:17:568:157:54
7:54
#15239
40K
24.85 mi14:21:133:24:458:146:49
7:58
#15016
25.2M
25.20 mi14:24:163:27:488:153:03
8:51
#14928
Finish
26.22 mi14:32:013:35:338:147:45
7:36
#14708
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi17754115061150617722(Top 62%)11516(Top 72%)11516(Top 1802%)
10K6.21 mi3.10 mi17664+9011480+2611480+2617597(Top 62%)11483(Top 71%)11483(Top 1797%)
15K9.32 mi3.11 mi17682-1811496-1611496-1617722(Top 62%)11516(Top 72%)11516(Top 1802%)
20K12.43 mi3.11 mi17265+41711319+17711319+17716246(Top 57%)10845(Top 67%)10845(Top 1697%)
Half13.11 mi0.68 mi17243+2211301+1811301+1816957(Top 60%)11148(Top 69%)11148(Top 1745%)
25K15.53 mi2.42 mi16956+28711170+13111170+13115704(Top 55%)10525(Top 65%)10525(Top 1647%)
30K18.64 mi3.11 mi16462+49410909+26110909+26114437(Top 51%)9799(Top 61%)9799(Top 1533%)
20M20.00 mi1.36 mi16193+26910766+14310766+14312839(Top 45%)8934(Top 55%)8934(Top 1398%)
21M21.00 mi1.00 mi15875+31810594+17210594+17211576(Top 41%)8169(Top 51%)8169(Top 1278%)
35K21.75 mi0.75 mi15771+10410533+6110533+6114280(Top 50%)9410(Top 58%)9410(Top 1473%)
23M23.00 mi1.25 mi15467+30410370+16310370+16310796(Top 38%)7648(Top 47%)7648(Top 1197%)
24M24.00 mi1.00 mi15239+22810251+11910251+11910546(Top 37%)7459(Top 46%)7459(Top 1167%)
40K24.85 mi0.85 mi15016+22310130+12110130+12110002(Top 35%)7058(Top 44%)7058(Top 1105%)
25.2M25.20 mi0.35 mi14928+8810078+5210078+5210903(Top 38%)7456(Top 46%)7456(Top 1167%)
Finish26.22 mi1.02 mi14708+2209963+1159963+1159974(Top 35%)6983(Top 43%)6983(Top 1093%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17722

Males

11516

M65-69

11516

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17597

Males

11483

M65-69

11483

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17722

Males

11516

M65-69

11516

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16246

Males

10845

M65-69

10845

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16957

Males

11148

M65-69

11148

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15704

Males

10525

M65-69

10525

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14437

Males

9799

M65-69

9799

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12839

Males

8934

M65-69

8934

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11576

Males

8169

M65-69

8169

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14280

Males

9410

M65-69

9410

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10796

Males

7648

M65-69

7648

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10546

Males

7459

M65-69

7459

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10002

Males

7058

M65-69

7058

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10903

Males

7456

M65-69

7456

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9974

Males

6983

M65-69

6983

Passing Analysis

Category:
Athletes Passed
3637
Passed By
591
Net Change
+3046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17754
5K → 10K328238+90#17754#17664
10K → 15K183201-18#17664#17682
15K → 20K44427+417#17682#17265
20K → Half4523+22#17265#17243
Half → 25K31831+287#17243#16956
25K → 30K52430+494#16956#16462
30K → 20M2734+269#16462#16193
20M → 21M3202+318#16193#15875
21M → 35K12117+104#15875#15771
35K → 23M3084+304#15771#15467
23M → 24M2291+228#15467#15239
24M → 40K2274+223#15239#15016
40K → 25.2M935+88#15016#14928
25.2M → Finish2244+220#14928#14708
TOTALS3637591+3046
📊

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