Boston Marathon logo
BOSTON MARATHON 2024

Tommy Grosskopf

Bib: 26508•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 36%
Gender (Male)
#0 / 14578
Top 47%
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
6:58/mi
21:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:02/mi
43:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:06:21
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:30:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:35:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
1:54:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:22:01
↑ 181↓ 1480.2%
20M
8:20/mi
2:33:20
↑ 64↓ 500.2%
21M
9:28/mi
2:42:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:59/mi
2:49:31
↑ 17↓ 861.7%
23M
9:02/mi
3:00:50
↑ 23↓ 630.6%
24M
8:47/mi
3:09:37
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:16:51
↓ 200.3%
25.2M
10:03/mi
3:20:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:56/mi
3:28:24
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:52:59
Pace8:37 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3721:406:5821:40
6:58
-
10K
6.21 mi12:05:2843:317:0021:51
7:02
+0:04
15K
9.32 mi12:28:181:06:217:0722:50
7:21
+0:19
20K
12.43 mi12:52:101:30:137:1623:52
7:41
+0:20
Half
13.11 mi12:57:221:35:257:175:12
7:37
-0:04
25K
15.53 mi13:16:511:54:547:2419:29
8:02
+0:25
30K
18.64 mi13:43:582:22:017:3727:07
8:44
+0:42
20M
20.00 mi13:55:172:33:207:4011:19
8:20
-0:24
21M
21.00 mi14:04:452:42:487:459:28
9:28
+1:08
35K
21.75 mi14:11:282:49:317:486:43
8:59
-0:29
23M
23.00 mi14:22:473:00:507:5211:19
9:02
+0:03
24M
24.00 mi14:31:343:09:377:548:47
8:47
-0:15
40K
24.85 mi14:38:483:16:517:557:14
8:28
-0:19
25.2M
25.20 mi14:42:163:20:197:573:28
10:03
+1:35
Finish
26.22 mi14:50:213:28:247:578:05
7:56
-2:07

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

6:58 /mi

Average Pace

7:57 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:25

46% of race

Time at Steady Pace

1:13:14

35% of race

Time at Slower Pace

39:45

19% of race

Average Pace: 7:57 /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 mi11:43:3721:406:5821:40
6:58
#6884
10K
6.21 mi12:05:2843:317:0021:51
7:02
#6848
15K
9.32 mi12:28:181:06:217:0722:50
7:21
#7323
20K
12.43 mi12:52:101:30:137:1623:52
7:41
#7834
Half
13.11 mi12:57:221:35:257:175:12
7:37
#7928
25K
15.53 mi13:16:511:54:547:2419:29
8:02
#8303
30K
18.64 mi13:43:582:22:017:3727:07
8:44
#8994
20M
20.00 mi13:55:172:33:207:4011:19
8:20
#8871
21M
21.00 mi14:04:452:42:487:459:28
9:28
#8898
35K
21.75 mi14:11:282:49:317:486:43
8:59
#9047
23M
23.00 mi14:22:473:00:507:5211:19
9:02
#9130
24M
24.00 mi14:31:343:09:377:548:47
8:47
#9214
40K
24.85 mi14:38:483:16:517:557:14
8:28
#9133
25.2M
25.20 mi14:42:163:20:197:573:28
10:03
#9175
Finish
26.22 mi14:50:213:28:247:578:05
7:56
#9098
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6884608960898485(Top 33%)7010(Top 48%)7010(Top 145%)
10K6.21 mi3.10 mi6848+366039+506039+506867(Top 27%)6026(Top 41%)6026(Top 124%)
15K9.32 mi3.11 mi7323-4756344-3056344-3058485(Top 33%)7010(Top 48%)7010(Top 145%)
20K12.43 mi3.11 mi7834-5116637-2936637-2939606(Top 38%)7457(Top 51%)7457(Top 154%)
Half13.11 mi0.68 mi7928-946694-576694-579948(Top 39%)7645(Top 52%)7645(Top 158%)
25K15.53 mi2.42 mi8303-3756869-1756869-17510394(Top 41%)7683(Top 53%)7683(Top 158%)
30K18.64 mi3.11 mi8994-6917163-2947163-29411829(Top 46%)8157(Top 56%)8157(Top 168%)
20M20.00 mi1.36 mi8871+1237036+1277036+1278519(Top 33%)6262(Top 43%)6262(Top 129%)
21M21.00 mi1.00 mi8898-276984+526984+5210679(Top 42%)7083(Top 49%)7083(Top 146%)
35K21.75 mi0.75 mi9047-1497038-547038-5413155(Top 51%)8224(Top 56%)8224(Top 170%)
23M23.00 mi1.25 mi9130-837014+247014+2411351(Top 44%)7242(Top 50%)7242(Top 149%)
24M24.00 mi1.00 mi9214-847005+97005+911010(Top 43%)7053(Top 48%)7053(Top 145%)
40K24.85 mi0.85 mi9133+816921+846921+848138(Top 32%)5468(Top 38%)5468(Top 113%)
25.2M25.20 mi0.35 mi9175-426918+36918+311105(Top 43%)6930(Top 48%)6930(Top 143%)
Finish26.22 mi1.02 mi9098+776832+866832+868125(Top 32%)5463(Top 37%)5463(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8485

Males

7010

M18-39

7010

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

6867

Males

6026

M18-39

6026

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8485

Males

7010

M18-39

7010

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9606

Males

7457

M18-39

7457

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

9948

Males

7645

M18-39

7645

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10394

Males

7683

M18-39

7683

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11829

Males

8157

M18-39

8157

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8519

Males

6262

M18-39

6262

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

10679

Males

7083

M18-39

7083

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13155

Males

8224

M18-39

8224

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11351

Males

7242

M18-39

7242

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11010

Males

7053

M18-39

7053

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8138

Males

5468

M18-39

5468

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11105

Males

6930

M18-39

6930

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8125

Males

5463

M18-39

5463

Passing Analysis

Category:
Athletes Passed
1368
Passed By
3582
Net Change
-2214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6884
5K → 10K204168+36#6884#6848
10K → 15K44519-475#6848#7323
15K → 20K77588-511#7323#7834
20K → Half13107-94#7834#7928
Half → 25K100475-375#7928#8303
25K → 30K104795-691#8303#8994
30K → 20M18562+123#8994#8871
20M → 21M122149-27#8871#8898
21M → 35K36185-149#8898#9047
35K → 23M125208-83#9047#9130
23M → 24M69153-84#9130#9214
24M → 40K12645+81#9214#9133
40K → 25.2M3577-42#9133#9175
25.2M → Finish12851+77#9175#9098
TOTALS13683582-2214
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing