Boston Marathon logo
BOSTON MARATHON 2024

Derek Johnsrud

Bib: 625•M

WI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 1%
Gender (Male)
#0 / 14578
Top 2%
Division (M18-39)
#0 / 4849
Top 5%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:45
Rank: #376
Start → 5K
17:45 | 5:43/mi
10K· 6.21 mi
35:31
Rank: #353 (+23)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
53:56
Rank: #417 (-64)
10K → 15K
18:25 | 5:56/mi
20K· 12.43 mi
1:12:05
Rank: #386 (+31)
15K → 20K
18:09 | 5:51/mi
Half· 13.11 mi
1:16:03
Rank: #383 (+3)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:30:28
Rank: #367 (+16)
Half → 25K
14:25 | 5:57/mi
30K· 18.64 mi
1:49:39
Rank: #352 (+15)
25K → 30K
19:11 | 6:10/mi
20M
1:58:08
Rank: #341 (+11)
30K → 20M
8:29 | 6:15/mi
21M
2:04:49
Rank: #340 (+1)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:09:34
Rank: #350 (-10)
21M → 35K
4:45 | 6:21/mi
23M
2:17:43
Rank: #349 (+1)
35K → 23M
8:09 | 6:31/mi
24M
2:23:50
Rank: #338 (+11)
23M → 24M
6:07 | 6:07/mi
40K· 24.85 mi
2:29:03
Rank: #319 (+19)
24M → 40K
5:13 | 6:06/mi
25.2M
2:31:21
Rank: #314 (+5)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:37:20
Rank: #300 (+14)
25.2M → Finish
5:59 | 5:52/mi

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
Time1:16:03
Pace5:48 /mi
2nd Half
Distance13.11 mi
Time1:21:17
Pace6:12 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5117:455:4317:45
5:43
-
10K
6.21 mi10:35:3735:315:4317:46
5:43
0:00
15K
9.32 mi10:54:0253:565:4718:25
5:56
+0:13
20K
12.43 mi11:12:111:12:055:4818:09
5:51
-0:05
Half
13.11 mi11:16:091:16:035:483:58
5:49
-0:02
25K
15.53 mi11:30:341:30:285:4914:25
5:57
+0:08
30K
18.64 mi11:49:451:49:395:5319:11
6:10
+0:13
20M
20.00 mi11:58:141:58:085:548:29
6:15
+0:05
21M
21.00 mi12:04:552:04:495:576:41
6:41
+0:26
35K
21.75 mi12:09:402:09:345:574:45
6:21
-0:20
23M
23.00 mi12:17:492:17:435:598:09
6:31
+0:10
24M
24.00 mi12:23:562:23:506:006:07
6:07
-0:24
40K
24.85 mi12:29:092:29:036:005:13
6:06
-0:01
25.2M
25.20 mi12:31:272:31:216:002:18
6:40
+0:34
Finish
26.22 mi12:37:262:37:206:005:59
5:52
-0:48

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

5:43 /mi

Average Pace

6:00 /mi

Slowest Pace

6:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:27

86% of race

Time at Steady Pace

21:53

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:00 /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 mi10:17:5117:455:4317:45
5:43
#376
10K
6.21 mi10:35:3735:315:4317:46
5:43
#353
15K
9.32 mi10:54:0253:565:4718:25
5:56
#417
20K
12.43 mi11:12:111:12:055:4818:09
5:51
#386
Half
13.11 mi11:16:091:16:035:483:58
5:49
#383
25K
15.53 mi11:30:341:30:285:4914:25
5:57
#367
30K
18.64 mi11:49:451:49:395:5319:11
6:10
#352
20M
20.00 mi11:58:141:58:085:548:29
6:15
#341
21M
21.00 mi12:04:552:04:495:576:41
6:41
#340
35K
21.75 mi12:09:402:09:345:574:45
6:21
#350
23M
23.00 mi12:17:492:17:435:598:09
6:31
#349
24M
24.00 mi12:23:562:23:506:006:07
6:07
#338
40K
24.85 mi12:29:092:29:036:005:13
6:06
#319
25.2M
25.20 mi12:31:272:31:216:002:18
6:40
#314
Finish
26.22 mi12:37:262:37:206:005:59
5:52
#300
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi376355355592(Top 2%)570(Top 4%)570(Top 12%)
10K6.21 mi3.10 mi353+23332+23332+23334(Top 1%)312(Top 2%)312(Top 6%)
15K9.32 mi3.11 mi417-64395-63395-63592(Top 2%)570(Top 4%)570(Top 12%)
20K12.43 mi3.11 mi386+31364+31364+31330(Top 1%)308(Top 2%)308(Top 6%)
Half13.11 mi0.68 mi383+3361+3361+3388(Top 2%)366(Top 3%)366(Top 8%)
25K15.53 mi2.42 mi367+16345+16345+16375(Top 1%)353(Top 2%)353(Top 7%)
30K18.64 mi3.11 mi352+15330+15330+15439(Top 2%)411(Top 3%)411(Top 8%)
20M20.00 mi1.36 mi341+11319+11319+11440(Top 2%)411(Top 3%)411(Top 8%)
21M21.00 mi1.00 mi340+1317+2317+2535(Top 2%)500(Top 3%)500(Top 10%)
35K21.75 mi0.75 mi350-10327-10327-10894(Top 3%)846(Top 6%)846(Top 17%)
23M23.00 mi1.25 mi349+1326+1326+1697(Top 3%)661(Top 5%)661(Top 14%)
24M24.00 mi1.00 mi338+11315+11315+11350(Top 1%)323(Top 2%)323(Top 7%)
40K24.85 mi0.85 mi319+19296+19296+19255(Top 1.0%)231(Top 2%)231(Top 5%)
25.2M25.20 mi0.35 mi314+5291+5291+5257(Top 1%)235(Top 2%)235(Top 5%)
Finish26.22 mi1.02 mi300+14277+14277+14285(Top 1%)266(Top 2%)266(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

592

Males

570

M18-39

570

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

334

Males

312

M18-39

312

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

592

Males

570

M18-39

570

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

330

Males

308

M18-39

308

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

388

Males

366

M18-39

366

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

375

Males

353

M18-39

353

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

439

Males

411

M18-39

411

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

440

Males

411

M18-39

411

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

535

Males

500

M18-39

500

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

894

Males

846

M18-39

846

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

697

Males

661

M18-39

661

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

350

Males

323

M18-39

323

24M→40K

24.0 - 24.9 mi

Top 1.0%
×1story
+6ft-20ft

Overall

255

Males

231

M18-39

231

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

257

Males

235

M18-39

235

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

285

Males

266

M18-39

266

Passing Analysis

Category:
Athletes Passed
251
Passed By
175
Net Change
+76
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#376
5K → 10K3714+23#376#353
10K → 15K165-64#353#417
15K → 20K409+31#417#386
20K → Half74+3#386#383
Half → 25K2812+16#383#367
25K → 30K3621+15#367#352
30K → 20M187+11#352#341
20M → 21M1312+1#341#340
21M → 35K111-10#340#350
35K → 23M1615+1#350#349
23M → 24M143+11#349#338
24M → 40K201+19#338#319
40K → 25.2M50+5#319#314
25.2M → Finish151+14#314#300
TOTALS251175+76
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing