Boston Marathon logo
BOSTON MARATHON 2024

Jens Witzel

Bib: 18223•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
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
8:40/mi
26:55
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
55:02
↑ 79↓ 1380.4%
15K· 9.32 mi
9:28/mi
1:24:27
↑ 67↓ 78
20K· 12.43 mi
9:48/mi
1:54:53
↑ 106↓ 860.1%
Half· 13.11 mi
9:01/mi
2:01:02
↑ 19↓ 370.5%
25K· 15.53 mi
9:42/mi
2:24:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:59/mi
2:55:32
↑ 181↓ 1480.2%
20M
10:07/mi
3:09:17
↑ 64↓ 500.2%
21M
11:06/mi
3:20:23
↑ 106↓ 241.6%
35K· 21.75 mi
9:15/mi
3:27:18
↑ 17↓ 861.7%
23M
10:13/mi
3:40:05
↑ 23↓ 630.6%
24M
9:37/mi
3:49:42
↓ 821.3%
40K· 24.85 mi
10:21/mi
3:58:33
↓ 200.3%
25.2M
11:07/mi
4:02:23
↑ 13↓ 160.2%
Finish· 26.22 mi
9:24/mi
4:11:58
↑ 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
Time2:01:02
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:10:56
Pace9:59 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1426:558:4026:55
8:40
-
10K
6.21 mi11:47:2155:028:5128:07
9:03
+0:23
15K
9.32 mi12:16:461:24:279:0429:25
9:28
+0:25
20K
12.43 mi12:47:121:54:539:1530:26
9:48
+0:20
Half
13.11 mi12:53:212:01:029:146:09
9:01
-0:47
25K
15.53 mi13:16:512:24:329:1823:30
9:42
+0:41
30K
18.64 mi13:47:512:55:329:2531:00
9:59
+0:17
20M
20.00 mi14:01:363:09:179:2813:45
10:07
+0:08
21M
21.00 mi14:12:423:20:239:3311:06
11:06
+0:59
35K
21.75 mi14:19:373:27:189:326:55
9:15
-1:51
23M
23.00 mi14:32:243:40:059:3412:47
10:13
+0:58
24M
24.00 mi14:42:013:49:429:349:37
9:37
-0:36
40K
24.85 mi14:50:523:58:339:368:51
10:21
+0:44
25.2M
25.20 mi14:54:424:02:239:373:50
11:07
+0:46
Finish
26.22 mi15:04:174:11:589:379:35
9:24
-1:43

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

8:40 /mi

Average Pace

9:37 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:06

27% of race

Time at Steady Pace

2:13:33

53% of race

Time at Slower Pace

50:19

20% of race

Average Pace: 9:37 /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 mi11:19:1426:558:4026:55
8:40
#18644
10K
6.21 mi11:47:2155:028:5128:07
9:03
#19297
15K
9.32 mi12:16:461:24:279:0429:25
9:28
#19804
20K
12.43 mi12:47:121:54:539:1530:26
9:48
#19916
Half
13.11 mi12:53:212:01:029:146:09
9:01
#19847
25K
15.53 mi13:16:512:24:329:1823:30
9:42
#19537
30K
18.64 mi13:47:512:55:329:2531:00
9:59
#19074
20M
20.00 mi14:01:363:09:179:2813:45
10:07
#18890
21M
21.00 mi14:12:423:20:239:3311:06
11:06
#18733
35K
21.75 mi14:19:373:27:189:326:55
9:15
#18565
23M
23.00 mi14:32:243:40:059:3412:47
10:13
#18388
24M
24.00 mi14:42:013:49:429:349:37
9:37
#18229
40K
24.85 mi14:50:523:58:339:368:51
10:21
#18136
25.2M
25.20 mi14:54:424:02:239:373:50
11:07
#18073
Finish
26.22 mi15:04:174:11:589:379:35
9:24
#17962
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18644114701147020560(Top 80%)12427(Top 85%)12427(Top 813%)
10K6.21 mi3.10 mi19297-65311769-29911769-29919919(Top 78%)12091(Top 83%)12091(Top 791%)
15K9.32 mi3.11 mi19804-50712023-25412023-25420560(Top 80%)12427(Top 85%)12427(Top 813%)
20K12.43 mi3.11 mi19916-11212091-6812091-6820040(Top 78%)12165(Top 83%)12165(Top 796%)
Half13.11 mi0.68 mi19847+6912058+3312058+3318301(Top 72%)11311(Top 78%)11311(Top 740%)
25K15.53 mi2.42 mi19537+31011896+16211896+16218169(Top 71%)11205(Top 77%)11205(Top 733%)
30K18.64 mi3.11 mi19074+46311625+27111625+27117281(Top 68%)10578(Top 73%)10578(Top 692%)
20M20.00 mi1.36 mi18890+18411510+11511510+11516863(Top 66%)10182(Top 70%)10182(Top 666%)
21M21.00 mi1.00 mi18733+15711409+10111409+10116600(Top 65%)9919(Top 68%)9919(Top 649%)
35K21.75 mi0.75 mi18565+16811326+8311326+8314450(Top 57%)8874(Top 61%)8874(Top 580%)
23M23.00 mi1.25 mi18388+17711214+11211214+11216137(Top 63%)9642(Top 66%)9642(Top 631%)
24M24.00 mi1.00 mi18229+15911110+10411110+10414941(Top 58%)8994(Top 62%)8994(Top 588%)
40K24.85 mi0.85 mi18136+9311043+6711043+6716213(Top 63%)9575(Top 66%)9575(Top 626%)
25.2M25.20 mi0.35 mi18073+6311001+4211001+4214878(Top 58%)8875(Top 61%)8875(Top 580%)
Finish26.22 mi1.02 mi17962+11110926+7510926+7516095(Top 63%)9507(Top 65%)9507(Top 622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

20560

Males

12427

M55-59

12427

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19919

Males

12091

M55-59

12091

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

20560

Males

12427

M55-59

12427

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20040

Males

12165

M55-59

12165

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

18301

Males

11311

M55-59

11311

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18169

Males

11205

M55-59

11205

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17281

Males

10578

M55-59

10578

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16863

Males

10182

M55-59

10182

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16600

Males

9919

M55-59

9919

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

14450

Males

8874

M55-59

8874

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16137

Males

9642

M55-59

9642

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

14941

Males

8994

M55-59

8994

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16213

Males

9575

M55-59

9575

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14878

Males

8875

M55-59

8875

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16095

Males

9507

M55-59

9507

Passing Analysis

Category:
Athletes Passed
2522
Passed By
1840
Net Change
+682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18644
5K → 10K95748-653#18644#19297
10K → 15K93600-507#19297#19804
15K → 20K199311-112#19804#19916
20K → Half767+69#19916#19847
Half → 25K34535+310#19847#19537
25K → 30K50037+463#19537#19074
30K → 20M20420+184#19074#18890
20M → 21M17720+157#18890#18733
21M → 35K1724+168#18733#18565
35K → 23M19922+177#18565#18388
23M → 24M1623+159#18388#18229
24M → 40K10512+93#18229#18136
40K → 25.2M674+63#18136#18073
25.2M → Finish12817+111#18073#17962
TOTALS25221840+682
📊

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