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BOSTON MARATHON 2024

Tommy Grassey

Bib: 25208•M

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered 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
10:24/mi
32:18
↑ 97↓ 3451.5%
10K· 6.21 mi
10:12/mi
1:04:00
↑ 79↓ 1380.4%
15K· 9.32 mi
9:54/mi
1:34:46
↑ 67↓ 78
20K· 12.43 mi
11:14/mi
2:09:40
↑ 106↓ 860.1%
Half· 13.11 mi
11:14/mi
2:17:20
↑ 19↓ 370.5%
25K· 15.53 mi
13:12/mi
2:49:21
↑ 66↓ 880.2%
30K· 18.64 mi
14:26/mi
3:34:12
↑ 181↓ 1480.2%
20M
12:39/mi
3:51:23
↑ 64↓ 500.2%
21M
13:51/mi
4:05:14
↑ 106↓ 241.6%
35K· 21.75 mi
12:22/mi
4:14:29
↑ 17↓ 861.7%
23M
12:24/mi
4:30:00
↑ 23↓ 630.6%
24M
13:31/mi
4:43:31
↓ 821.3%
40K· 24.85 mi
13:27/mi
4:55:01
↓ 200.3%
25.2M
16:29/mi
5:00:42
↑ 13↓ 160.2%
Finish· 26.22 mi
11:58/mi
5:12:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:20
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:55:34
Pace13:24 /mi
📊Positive Split: 27.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4532:1810:2432:18
10:24
-
10K
6.21 mi12:20:271:04:0010:1831:42
10:12
-0:12
15K
9.32 mi12:51:131:34:4610:1030:46
9:54
-0:18
20K
12.43 mi13:26:072:09:4010:2634:54
11:14
+1:20
Half
13.11 mi13:33:472:17:2010:297:40
11:14
0:00
25K
15.53 mi14:05:482:49:2110:5432:01
13:12
+1:58
30K
18.64 mi14:50:393:34:1211:2944:51
14:26
+1:14
20M
20.00 mi15:07:503:51:2311:3417:11
12:39
-1:47
21M
21.00 mi15:21:414:05:1411:4113:51
13:51
+1:12
35K
21.75 mi15:30:564:14:2911:429:15
12:22
-1:29
23M
23.00 mi15:46:274:30:0011:4415:31
12:24
+0:02
24M
24.00 mi15:59:584:43:3111:4913:31
13:31
+1:07
40K
24.85 mi16:11:284:55:0111:5211:30
13:27
-0:04
25.2M
25.20 mi16:17:095:00:4211:565:41
16:29
+3:02
Finish
26.22 mi16:29:215:12:5411:5712:12
11:58
-4:31

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

9:54 /mi

Average Pace

11:57 /mi

Slowest Pace

16:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:20

44% of race

Time at Steady Pace

1:26:10

28% of race

Time at Slower Pace

1:29:24

29% of race

Average Pace: 11:56 /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 mi11:48:4532:1810:2432:18
10:24
#23882
10K
6.21 mi12:20:271:04:0010:1831:42
10:12
#23390
15K
9.32 mi12:51:131:34:4610:1030:46
9:54
#22852
20K
12.43 mi13:26:072:09:4010:2634:54
11:14
#22888
Half
13.11 mi13:33:472:17:2010:297:40
11:14
#22943
25K
15.53 mi14:05:482:49:2110:5432:01
13:12
#23392
30K
18.64 mi14:50:393:34:1211:2944:51
14:26
#23748
20M
20.00 mi15:07:503:51:2311:3417:11
12:39
#23650
21M
21.00 mi15:21:414:05:1411:4113:51
13:51
#23572
35K
21.75 mi15:30:564:14:2911:429:15
12:22
#23504
23M
23.00 mi15:46:274:30:0011:4415:31
12:24
#23416
24M
24.00 mi15:59:584:43:3111:4913:31
13:31
#23465
40K
24.85 mi16:11:284:55:0111:5211:30
13:27
#23465
25.2M
25.20 mi16:17:095:00:4211:565:41
16:29
#23494
Finish
26.22 mi16:29:215:12:5411:5712:12
11:58
#23493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23882139531395321689(Top 85%)12949(Top 89%)12949(Top 267%)
10K6.21 mi3.10 mi23390+49213728+22513728+22522983(Top 90%)13513(Top 93%)13513(Top 279%)
15K9.32 mi3.11 mi22852+53813477+25113477+25121689(Top 85%)12949(Top 89%)12949(Top 267%)
20K12.43 mi3.11 mi22888-3613491-1413491-1423033(Top 90%)13519(Top 93%)13519(Top 279%)
Half13.11 mi0.68 mi22943-5513515-2413515-2423802(Top 93%)13811(Top 95%)13811(Top 285%)
25K15.53 mi2.42 mi23392-44913681-16613681-16624370(Top 95%)14042(Top 96%)14042(Top 290%)
30K18.64 mi3.11 mi23748-35613822-14113822-14124540(Top 96%)14061(Top 96%)14061(Top 290%)
20M20.00 mi1.36 mi23650+9813771+5113771+5122383(Top 88%)12887(Top 88%)12887(Top 266%)
21M21.00 mi1.00 mi23572+7813712+5913712+5922120(Top 87%)12727(Top 87%)12727(Top 262%)
35K21.75 mi0.75 mi23504+6813666+4613666+4622388(Top 88%)12812(Top 88%)12812(Top 264%)
23M23.00 mi1.25 mi23416+8813599+6713599+6721491(Top 84%)12331(Top 85%)12331(Top 254%)
24M24.00 mi1.00 mi23465-4913611-1213611-1223701(Top 93%)13423(Top 92%)13423(Top 277%)
40K24.85 mi0.85 mi2346513600+1113600+1122928(Top 90%)12990(Top 89%)12990(Top 268%)
25.2M25.20 mi0.35 mi23494-2913608-813608-824364(Top 95%)13795(Top 95%)13795(Top 284%)
Finish26.22 mi1.02 mi23493+113601+713601+723192(Top 91%)13112(Top 90%)13112(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21689

Males

12949

M18-39

12949

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

22983

Males

13513

M18-39

13513

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21689

Males

12949

M18-39

12949

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23033

Males

13519

M18-39

13519

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23802

Males

13811

M18-39

13811

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

24370

Males

14042

M18-39

14042

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

24540

Males

14061

M18-39

14061

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

22383

Males

12887

M18-39

12887

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22120

Males

12727

M18-39

12727

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22388

Males

12812

M18-39

12812

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

21491

Males

12331

M18-39

12331

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

23701

Males

13423

M18-39

13423

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

22928

Males

12990

M18-39

12990

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24364

Males

13795

M18-39

13795

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

23192

Males

13112

M18-39

13112

Passing Analysis

Category:
Athletes Passed
1809
Passed By
1420
Net Change
+389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23882
5K → 10K52937+492#23882#23390
10K → 15K5457+538#23390#22852
15K → 20K159195-36#22852#22888
20K → Half1671-55#22888#22943
Half → 25K33482-449#22943#23392
25K → 30K39395-356#23392#23748
30K → 20M11113+98#23748#23650
20M → 21M9517+78#23650#23572
21M → 35K779+68#23572#23504
35K → 23M10113+88#23504#23416
23M → 24M2473-49#23416#23465
24M → 40K36360#23465#23465
40K → 25.2M1140-29#23465#23494
25.2M → Finish3332+1#23494#23493
TOTALS18091420+389
📊

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