Boston Marathon logo
BOSTON MARATHON 2024

Matthew Stelma

Bib: 25294•M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:38
Rank: #19657
Start → 5K
27:38 | 8:54/mi
10K· 6.21 mi
54:51
Rank: #19171 (+486)
5K → 10K
27:13 | 8:46/mi
15K· 9.32 mi
1:22:23
Rank: #18870 (+301)
10K → 15K
27:32 | 8:52/mi
20K· 12.43 mi
1:49:59
Rank: #18260 (+610)
15K → 20K
27:36 | 8:53/mi
Half· 13.11 mi
1:56:02
Rank: #18215 (+45)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:17:48
Rank: #17694 (+521)
Half → 25K
21:46 | 8:59/mi
30K· 18.64 mi
2:46:35
Rank: #17064 (+630)
25K → 30K
28:47 | 9:16/mi
20M
2:59:35
Rank: #16901 (+163)
30K → 20M
13:00 | 9:34/mi
21M
3:09:30
Rank: #16649 (+252)
20M → 21M
9:55 | 9:55/mi
35K· 21.75 mi
3:16:38
Rank: #16628 (+21)
21M → 35K
7:08 | 9:32/mi
23M
3:29:16
Rank: #16568 (+60)
35K → 23M
12:38 | 10:05/mi
24M
3:39:08
Rank: #16524 (+44)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
3:47:08
Rank: #16336 (+188)
24M → 40K
8:00 | 9:21/mi
25.2M
3:50:44
Rank: #16280 (+56)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:59:02
Rank: #16057 (+223)
25.2M → Finish
8:18 | 8:09/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
Time1:56:02
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:03:00
Pace9:23 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5527:388:5427:38
8:54
-
10K
6.21 mi12:11:0854:518:5027:13
8:46
-0:08
15K
9.32 mi12:38:401:22:238:5027:32
8:52
+0:06
20K
12.43 mi13:06:161:49:598:5127:36
8:53
+0:01
Half
13.11 mi13:12:191:56:028:516:03
8:52
-0:01
25K
15.53 mi13:34:052:17:488:5221:46
8:59
+0:07
30K
18.64 mi14:02:522:46:358:5628:47
9:16
+0:17
20M
20.00 mi14:15:522:59:358:5913:00
9:34
+0:18
21M
21.00 mi14:25:473:09:309:019:55
9:55
+0:21
35K
21.75 mi14:32:553:16:389:027:08
9:32
-0:23
23M
23.00 mi14:45:333:29:169:0612:38
10:05
+0:33
24M
24.00 mi14:55:253:39:089:089:52
9:52
-0:13
40K
24.85 mi15:03:253:47:089:088:00
9:21
-0:31
25.2M
25.20 mi15:07:013:50:449:093:36
10:26
+1:05
Finish
26.22 mi15:15:193:59:029:078:18
8:09
-2:17

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

8:09 /mi

Average Pace

9:07 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:20

52% of race

Time at Steady Pace

1:05:41

27% of race

Time at Slower Pace

49:01

21% of race

Average Pace: 9:07 /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 mi11:43:5527:388:5427:38
8:54
#19657
10K
6.21 mi12:11:0854:518:5027:13
8:46
#19171
15K
9.32 mi12:38:401:22:238:5027:32
8:52
#18870
20K
12.43 mi13:06:161:49:598:5127:36
8:53
#18260
Half
13.11 mi13:12:191:56:028:516:03
8:52
#18215
25K
15.53 mi13:34:052:17:488:5221:46
8:59
#17694
30K
18.64 mi14:02:522:46:358:5628:47
9:16
#17064
20M
20.00 mi14:15:522:59:358:5913:00
9:34
#16901
21M
21.00 mi14:25:473:09:309:019:55
9:55
#16649
35K
21.75 mi14:32:553:16:389:027:08
9:32
#16628
23M
23.00 mi14:45:333:29:169:0612:38
10:05
#16568
24M
24.00 mi14:55:253:39:089:089:52
9:52
#16524
40K
24.85 mi15:03:253:47:089:088:00
9:21
#16336
25.2M
25.20 mi15:07:013:50:449:093:36
10:26
#16280
Finish
26.22 mi15:15:193:59:029:078:18
8:09
#16057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19657119091190918260(Top 71%)11372(Top 78%)11372(Top 235%)
10K6.21 mi3.10 mi19171+48611710+19911710+19918662(Top 73%)11501(Top 79%)11501(Top 237%)
15K9.32 mi3.11 mi18870+30111598+11211598+11218260(Top 71%)11372(Top 78%)11372(Top 235%)
20K12.43 mi3.11 mi18260+61011348+25011348+25016797(Top 66%)10701(Top 73%)10701(Top 221%)
Half13.11 mi0.68 mi18215+4511317+3111317+3117606(Top 69%)10983(Top 75%)10983(Top 227%)
25K15.53 mi2.42 mi17694+52111060+25711060+25715417(Top 60%)9986(Top 69%)9986(Top 206%)
30K18.64 mi3.11 mi17064+63010734+32610734+32614465(Top 57%)9313(Top 64%)9313(Top 192%)
20M20.00 mi1.36 mi16901+16310624+11010624+11014788(Top 58%)9212(Top 63%)9212(Top 190%)
21M21.00 mi1.00 mi16649+25210491+13310491+13312647(Top 49%)8022(Top 55%)8022(Top 165%)
35K21.75 mi0.75 mi16628+2110466+2510466+2515600(Top 61%)9427(Top 65%)9427(Top 194%)
23M23.00 mi1.25 mi16568+6010409+5710409+5715767(Top 62%)9449(Top 65%)9449(Top 195%)
24M24.00 mi1.00 mi16524+4410355+5410355+5415856(Top 62%)9451(Top 65%)9451(Top 195%)
40K24.85 mi0.85 mi16336+18810245+11010245+11012510(Top 49%)7695(Top 53%)7695(Top 159%)
25.2M25.20 mi0.35 mi16280+5610205+4010205+4012601(Top 49%)7678(Top 53%)7678(Top 158%)
Finish26.22 mi1.02 mi16057+22310082+12310082+1239458(Top 37%)6187(Top 42%)6187(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18260

Males

11372

M18-39

11372

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

18662

Males

11501

M18-39

11501

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18260

Males

11372

M18-39

11372

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

16797

Males

10701

M18-39

10701

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

17606

Males

10983

M18-39

10983

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15417

Males

9986

M18-39

9986

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

14465

Males

9313

M18-39

9313

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

14788

Males

9212

M18-39

9212

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

12647

Males

8022

M18-39

8022

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

15600

Males

9427

M18-39

9427

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

15767

Males

9449

M18-39

9449

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

15856

Males

9451

M18-39

9451

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12510

Males

7695

M18-39

7695

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12601

Males

7678

M18-39

7678

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9458

Males

6187

M18-39

6187

Passing Analysis

Category:
Athletes Passed
4104
Passed By
504
Net Change
+3600
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19657
5K → 10K57387+486#19657#19171
10K → 15K38180+301#19171#18870
15K → 20K63828+610#18870#18260
20K → Half6116+45#18260#18215
Half → 25K5298+521#18215#17694
25K → 30K65828+630#17694#17064
30K → 20M20946+163#17064#16901
20M → 21M2619+252#16901#16649
21M → 35K7352+21#16649#16628
35K → 23M11858+60#16628#16568
23M → 24M10864+44#16568#16524
24M → 40K20214+188#16524#16336
40K → 25.2M626+56#16336#16280
25.2M → Finish2318+223#16280#16057
TOTALS4104504+3600
📊

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