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BOSTON MARATHON 2025

Cory Mcgrath

Bib: 25831•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
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
9:15/mi
28:45
↑ 97↓ 3451.5%
10K· 6.21 mi
9:17/mi
57:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:56/mi
1:25:22
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:53:37
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:59:35
↑ 19↓ 370.5%
25K· 15.53 mi
9:04/mi
2:21:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:19/mi
2:50:30
↑ 181↓ 1480.2%
20M
9:23/mi
3:03:15
↑ 64↓ 500.2%
21M
9:19/mi
3:12:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:19:04
↑ 17↓ 861.7%
23M
8:37/mi
3:29:51
↑ 23↓ 630.6%
24M
8:29/mi
3:38:20
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:45:50
↓ 200.3%
25.2M
9:20/mi
3:49:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:56:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:59:35
Pace9:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:56:58
Pace8:55 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3228:459:1528:45
9:15
-
10K
6.21 mi12:23:2357:369:1628:51
9:17
+0:02
15K
9.32 mi12:51:091:25:229:1027:46
8:56
-0:21
20K
12.43 mi13:19:241:53:379:0928:15
9:06
+0:10
Half
13.11 mi13:25:221:59:359:075:58
8:45
-0:21
25K
15.53 mi13:47:212:21:349:0721:59
9:04
+0:19
30K
18.64 mi14:16:172:50:309:0928:56
9:19
+0:15
20M
20.00 mi14:29:023:03:159:1012:45
9:23
+0:04
21M
21.00 mi14:38:213:12:349:109:19
9:19
-0:04
35K
21.75 mi14:44:513:19:049:096:30
8:41
-0:38
23M
23.00 mi14:55:383:29:519:0710:47
8:37
-0:04
24M
24.00 mi15:04:073:38:209:068:29
8:29
-0:08
40K
24.85 mi15:11:373:45:509:057:30
8:46
+0:17
25.2M
25.20 mi15:14:503:49:039:053:13
9:20
+0:34
Finish
26.22 mi15:22:203:56:339:027:30
7:22
-1:58

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

7:22 /mi

Average Pace

9:02 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:44

20% of race

Time at Steady Pace

2:53:51

73% of race

Time at Slower Pace

15:58

7% of race

Average Pace: 9:01 /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 mi11:54:3228:459:1528:45
9:15
#23401
10K
6.21 mi12:23:2357:369:1628:51
9:17
#23446
15K
9.32 mi12:51:091:25:229:1027:46
8:56
#22930
20K
12.43 mi13:19:241:53:379:0928:15
9:06
#22534
Half
13.11 mi13:25:221:59:359:075:58
8:45
#22429
25K
15.53 mi13:47:212:21:349:0721:59
9:04
#22057
30K
18.64 mi14:16:172:50:309:0928:56
9:19
#21526
20M
20.00 mi14:29:023:03:159:1012:45
9:23
#21300
21M
21.00 mi14:38:213:12:349:109:19
9:19
#20974
35K
21.75 mi14:44:513:19:049:096:30
8:41
#20819
23M
23.00 mi14:55:383:29:519:0710:47
8:37
#20482
24M
24.00 mi15:04:073:38:209:068:29
8:29
#20270
40K
24.85 mi15:11:373:45:509:057:30
8:46
#20105
25.2M
25.20 mi15:14:503:49:039:053:13
9:20
#19998
Finish
26.22 mi15:22:203:56:339:027:30
7:22
#19667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23401139511395121725(Top 76%)13272(Top 82%)13272(Top 235%)
10K6.21 mi3.10 mi23446-4513993-4213993-4223470(Top 83%)14010(Top 87%)14010(Top 248%)
15K9.32 mi3.11 mi22930+51613782+21113782+21121725(Top 76%)13272(Top 82%)13272(Top 235%)
20K12.43 mi3.11 mi22534+39613596+18613596+18621396(Top 75%)13080(Top 81%)13080(Top 232%)
Half13.11 mi0.68 mi22429+10513537+5913537+5920594(Top 73%)12720(Top 79%)12720(Top 225%)
25K15.53 mi2.42 mi22057+37213362+17513362+17520200(Top 71%)12500(Top 78%)12500(Top 222%)
30K18.64 mi3.11 mi21526+53113099+26313099+26319165(Top 67%)11909(Top 74%)11909(Top 211%)
20M20.00 mi1.36 mi21300+22612970+12912970+12918667(Top 66%)11533(Top 72%)11533(Top 204%)
21M21.00 mi1.00 mi20974+32612812+15812812+15815234(Top 54%)9894(Top 61%)9894(Top 175%)
35K21.75 mi0.75 mi20819+15512721+9112721+9116609(Top 58%)10457(Top 65%)10457(Top 185%)
23M23.00 mi1.25 mi20482+33712551+17012551+17014012(Top 49%)9185(Top 57%)9185(Top 163%)
24M24.00 mi1.00 mi20270+21212427+12412427+12414392(Top 51%)9336(Top 58%)9336(Top 165%)
40K24.85 mi0.85 mi20105+16512330+9712330+9715023(Top 53%)9466(Top 59%)9466(Top 168%)
25.2M25.20 mi0.35 mi19998+10712280+5012280+5013604(Top 48%)8774(Top 54%)8774(Top 156%)
Finish26.22 mi1.02 mi19667+33112112+16812112+1688205(Top 29%)6038(Top 37%)6038(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21725

Males

13272

M18-39

13272

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23470

Males

14010

M18-39

14010

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21725

Males

13272

M18-39

13272

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21396

Males

13080

M18-39

13080

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20594

Males

12720

M18-39

12720

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20200

Males

12500

M18-39

12500

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

19165

Males

11909

M18-39

11909

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18667

Males

11533

M18-39

11533

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15234

Males

9894

M18-39

9894

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16609

Males

10457

M18-39

10457

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14012

Males

9185

M18-39

9185

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14392

Males

9336

M18-39

9336

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15023

Males

9466

M18-39

9466

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13604

Males

8774

M18-39

8774

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

8205

Males

6038

M18-39

6038

Passing Analysis

Category:
Athletes Passed
4090
Passed By
356
Net Change
+3734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23401
5K → 10K209254-45#23401#23446
10K → 15K53418+516#23446#22930
15K → 20K42731+396#22930#22534
20K → Half1061+105#22534#22429
Half → 25K38513+372#22429#22057
25K → 30K55019+531#22057#21526
30K → 20M23610+226#21526#21300
20M → 21M3271+326#21300#20974
21M → 35K1572+155#20974#20819
35K → 23M3370+337#20819#20482
23M → 24M2120+212#20482#20270
24M → 40K1705+165#20270#20105
40K → 25.2M1092+107#20105#19998
25.2M → Finish3310+331#19998#19667
TOTALS4090356+3734
📊

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