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BOSTON MARATHON 2025

David Graff

Bib: 1851•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:17
Rank: #1900
Start → 5K
6:12/mi
19:17 split
10K· 6.21 mi
38:25
Rank: #1786 (+114)
5K → 10K
6:10/mi
19:08 split
15K· 9.32 mi
57:34
Rank: #1745 (+41)
10K → 15K
6:10/mi
19:09 split
20K· 12.43 mi
1:17:11
Rank: #1809 (-64)
15K → 20K
6:19/mi
19:37 split
Half· 13.11 mi
1:21:18
Rank: #1772 (+37)
20K → Half
6:02/mi
4:07 split
25K· 15.53 mi
1:36:37
Rank: #1789 (-17)
Half → 25K
6:19/mi
15:19 split
30K· 18.64 mi
1:56:38
Rank: #1742 (+47)
25K → 30K
6:27/mi
20:01 split
20M
2:05:26
Rank: #1707 (+35)
30K → 20M
6:29/mi
8:48 split
21M
2:12:14
Rank: #1656 (+51)
20M → 21M
6:48/mi
6:48 split
35K· 21.75 mi
2:17:01
Rank: #1661 (-5)
21M → 35K
6:24/mi
4:47 split
23M
2:25:25
Rank: #1643 (+18)
35K → 23M
6:43/mi
8:24 split
24M
2:31:50
Rank: #1628 (+15)
23M → 24M
6:25/mi
6:25 split
40K· 24.85 mi
2:37:23
Rank: #1591 (+37)
24M → 40K
6:29/mi
5:33 split
25.2M
2:39:44
Rank: #1565 (+26)
40K → 25.2M
6:49/mi
2:21 split
Finish· 26.22 mi
2:45:59
Rank: #1531 (+34)
25.2M → Finish
6:08/mi
6:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:18
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5519:176:1219:17
6:12
-
10K
6.21 mi10:39:0338:256:1119:08
6:10
-0:02
15K
9.32 mi10:58:1257:346:1119:09
6:10
0:00
20K
12.43 mi11:17:491:17:116:1319:37
6:19
+0:09
Half
13.11 mi11:21:561:21:186:124:07
6:02
-0:17
25K
15.53 mi11:37:151:36:376:1315:19
6:19
+0:17
30K
18.64 mi11:57:161:56:386:1520:01
6:27
+0:08
20M
20.00 mi12:06:042:05:266:168:48
6:29
+0:02
21M
21.00 mi12:12:522:12:146:186:48
6:48
+0:19
35K
21.75 mi12:17:392:17:016:184:47
6:24
-0:24
23M
23.00 mi12:26:032:25:256:198:24
6:43
+0:19
24M
24.00 mi12:32:282:31:506:206:25
6:25
-0:18
40K
24.85 mi12:38:012:37:236:205:33
6:29
+0:04
25.2M
25.20 mi12:40:222:39:446:202:21
6:49
+0:20
Finish
26.22 mi12:46:372:45:596:206:15
6:08
-0:41

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

6:02 /mi

Average Pace

6:20 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:26

89% of race

Time at Steady Pace

17:33

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:19:5519:176:1219:17
6:12
#1900
10K
6.21 mi10:39:0338:256:1119:08
6:10
#1786
15K
9.32 mi10:58:1257:346:1119:09
6:10
#1745
20K
12.43 mi11:17:491:17:116:1319:37
6:19
#1809
Half
13.11 mi11:21:561:21:186:124:07
6:02
#1772
25K
15.53 mi11:37:151:36:376:1315:19
6:19
#1789
30K
18.64 mi11:57:161:56:386:1520:01
6:27
#1742
20M
20.00 mi12:06:042:05:266:168:48
6:29
#1707
21M
21.00 mi12:12:522:12:146:186:48
6:48
#1656
35K
21.75 mi12:17:392:17:016:184:47
6:24
#1661
23M
23.00 mi12:26:032:25:256:198:24
6:43
#1643
24M
24.00 mi12:32:282:31:506:206:25
6:25
#1628
40K
24.85 mi12:38:012:37:236:205:33
6:29
#1591
25.2M
25.20 mi12:40:222:39:446:202:21
6:49
#1565
Finish
26.22 mi12:46:372:45:596:206:15
6:08
#1531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1900180618061662(Top 6%)1578(Top 10%)1578(Top 28%)
10K6.21 mi3.10 mi1786+1141698+1081698+1081708(Top 6%)1625(Top 10%)1625(Top 29%)
15K9.32 mi3.11 mi1745+411659+391659+391662(Top 6%)1578(Top 10%)1578(Top 28%)
20K12.43 mi3.11 mi1809-641720-611720-612065(Top 7%)1969(Top 12%)1969(Top 35%)
Half13.11 mi0.68 mi1772+371684+361684+361290(Top 5%)1224(Top 8%)1224(Top 22%)
25K15.53 mi2.42 mi1789-171701-171701-171935(Top 7%)1841(Top 11%)1841(Top 33%)
30K18.64 mi3.11 mi1742+471657+441657+441726(Top 6%)1639(Top 10%)1639(Top 29%)
20M20.00 mi1.36 mi1707+351621+361621+361533(Top 5%)1448(Top 9%)1448(Top 26%)
21M21.00 mi1.00 mi1656+511570+511570+511524(Top 5%)1435(Top 9%)1435(Top 25%)
35K21.75 mi0.75 mi1661-51575-51575-51966(Top 7%)1840(Top 11%)1840(Top 33%)
23M23.00 mi1.25 mi1643+181555+201555+202275(Top 8%)2118(Top 13%)2118(Top 38%)
24M24.00 mi1.00 mi1628+151542+131542+131705(Top 6%)1590(Top 10%)1590(Top 28%)
40K24.85 mi0.85 mi1591+371506+361506+361557(Top 5%)1441(Top 9%)1441(Top 26%)
25.2M25.20 mi0.35 mi1565+261480+261480+261026(Top 4%)944(Top 6%)944(Top 17%)
Finish26.22 mi1.02 mi1531+341448+321448+321304(Top 5%)1217(Top 8%)1217(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1662

Males

1578

M18-39

1578

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1708

Males

1625

M18-39

1625

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1662

Males

1578

M18-39

1578

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2065

Males

1969

M18-39

1969

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1290

Males

1224

M18-39

1224

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1935

Males

1841

M18-39

1841

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1726

Males

1639

M18-39

1639

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1533

Males

1448

M18-39

1448

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1524

Males

1435

M18-39

1435

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1966

Males

1840

M18-39

1840

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2275

Males

2118

M18-39

2118

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1705

Males

1590

M18-39

1590

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1557

Males

1441

M18-39

1441

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1026

Males

944

M18-39

944

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1304

Males

1217

M18-39

1217

Passing Analysis

Category:
Athletes Passed
796
Passed By
427
Net Change
+369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1900
5K → 10K16046+114#1900#1786
10K → 15K7837+41#1786#1745
15K → 20K42106-64#1745#1809
20K → Half381+37#1809#1772
Half → 25K4461-17#1772#1789
25K → 30K9144+47#1789#1742
30K → 20M5520+35#1742#1707
20M → 21M6716+51#1707#1656
21M → 35K1419-5#1656#1661
35K → 23M4931+18#1661#1643
23M → 24M4227+15#1643#1628
24M → 40K4710+37#1628#1591
40K → 25.2M282+26#1591#1565
25.2M → Finish417+34#1565#1531
TOTALS796427+369
📊

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