Boston Marathon logo
BOSTON MARATHON 2024

Joel Fenlason

Bib: 12887•M

WA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
7:27/mi
23:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
47:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:20/mi
1:13:02
↑ 67↓ 78
20K· 12.43 mi
9:05/mi
1:41:15
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
1:47:33
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:10:01
↑ 66↓ 880.2%
30K· 18.64 mi
10:01/mi
2:41:07
↑ 181↓ 1480.2%
20M
10:25/mi
2:55:16
↑ 64↓ 500.2%
21M
11:22/mi
3:06:38
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:13:39
↑ 17↓ 861.7%
23M
9:57/mi
3:26:06
↑ 23↓ 630.6%
24M
9:06/mi
3:35:12
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:43:27
↓ 200.3%
25.2M
11:07/mi
3:47:17
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:55:39
↑ 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
Time1:47:33
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:08:06
Pace9:46 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1023:087:2723:08
7:27
-
10K
6.21 mi11:16:1247:107:3524:02
7:44
+0:17
15K
9.32 mi11:42:041:13:027:5025:52
8:20
+0:36
20K
12.43 mi12:10:171:41:158:0928:13
9:05
+0:45
Half
13.11 mi12:16:351:47:338:126:18
9:14
+0:09
25K
15.53 mi12:39:032:10:018:2222:28
9:16
+0:02
30K
18.64 mi13:10:092:41:078:3931:06
10:01
+0:45
20M
20.00 mi13:24:182:55:168:4614:09
10:25
+0:24
21M
21.00 mi13:35:403:06:388:5311:22
11:22
+0:57
35K
21.75 mi13:42:413:13:398:547:01
9:23
-1:59
23M
23.00 mi13:55:083:26:068:5812:27
9:57
+0:34
24M
24.00 mi14:04:143:35:128:589:06
9:06
-0:51
40K
24.85 mi14:12:293:43:278:598:15
9:39
+0:33
25.2M
25.20 mi14:16:193:47:179:013:50
11:07
+1:28
Finish
26.22 mi14:24:413:55:399:008:22
8:13
-2:54

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

7:27 /mi

Average Pace

9:00 /mi

Slowest Pace

11:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:24

35% of race

Time at Steady Pace

1:21:21

35% of race

Time at Slower Pace

1:12:54

31% of race

Average Pace: 8:59 /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 mi10:52:1023:087:2723:08
7:27
#10311
10K
6.21 mi11:16:1247:107:3524:02
7:44
#11216
15K
9.32 mi11:42:041:13:027:5025:52
8:20
#12810
20K
12.43 mi12:10:171:41:158:0928:13
9:05
#14376
Half
13.11 mi12:16:351:47:338:126:18
9:14
#14712
25K
15.53 mi12:39:032:10:018:2222:28
9:16
#15042
30K
18.64 mi13:10:092:41:078:3931:06
10:01
#15579
20M
20.00 mi13:24:182:55:168:4614:09
10:25
#15837
21M
21.00 mi13:35:403:06:388:5311:22
11:22
#15991
35K
21.75 mi13:42:413:13:398:547:01
9:23
#15960
23M
23.00 mi13:55:083:26:068:5812:27
9:57
#15926
24M
24.00 mi14:04:143:35:128:589:06
9:06
#15761
40K
24.85 mi14:12:293:43:278:598:15
9:39
#15664
25.2M
25.20 mi14:16:193:47:179:013:50
11:07
#15645
Finish
26.22 mi14:24:413:55:399:008:22
8:13
#15420
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi103118114811415414(Top 60%)10167(Top 70%)10167(Top 525%)
10K6.21 mi3.10 mi11216-9058472-3588472-35812130(Top 47%)8843(Top 61%)8843(Top 457%)
15K9.32 mi3.11 mi12810-15949136-6649136-66415414(Top 60%)10167(Top 70%)10167(Top 525%)
20K12.43 mi3.11 mi14376-15669756-6209756-62017683(Top 69%)11111(Top 76%)11111(Top 574%)
Half13.11 mi0.68 mi14712-3369883-1279883-12719168(Top 75%)11686(Top 80%)11686(Top 604%)
25K15.53 mi2.42 mi15042-3309985-1029985-10216666(Top 65%)10548(Top 72%)10548(Top 545%)
30K18.64 mi3.11 mi15579-53710121-13610121-13617369(Top 68%)10617(Top 73%)10617(Top 549%)
20M20.00 mi1.36 mi15837-25810182-6110182-6117728(Top 69%)10614(Top 73%)10614(Top 549%)
21M21.00 mi1.00 mi15991-15410211-2910211-2917306(Top 68%)10267(Top 70%)10267(Top 531%)
35K21.75 mi0.75 mi15960+3110171+4010171+4015016(Top 59%)9132(Top 63%)9132(Top 472%)
23M23.00 mi1.25 mi15926+3410119+5210119+5215272(Top 60%)9181(Top 63%)9181(Top 474%)
24M24.00 mi1.00 mi15761+16510019+10010019+10012651(Top 50%)7883(Top 54%)7883(Top 407%)
40K24.85 mi0.85 mi15664+979943+769943+7613695(Top 54%)8288(Top 57%)8288(Top 428%)
25.2M25.20 mi0.35 mi15645+199915+289915+2814861(Top 58%)8858(Top 61%)8858(Top 458%)
Finish26.22 mi1.02 mi15420+2259783+1329783+1329830(Top 38%)6376(Top 44%)6376(Top 330%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15414

Males

10167

M50-54

10167

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12130

Males

8843

M50-54

8843

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15414

Males

10167

M50-54

10167

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

17683

Males

11111

M50-54

11111

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19168

Males

11686

M50-54

11686

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

16666

Males

10548

M50-54

10548

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17369

Males

10617

M50-54

10617

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

17728

Males

10614

M50-54

10614

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

17306

Males

10267

M50-54

10267

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15016

Males

9132

M50-54

9132

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15272

Males

9181

M50-54

9181

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12651

Males

7883

M50-54

7883

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13695

Males

8288

M50-54

8288

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14861

Males

8858

M50-54

8858

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

9830

Males

6376

M50-54

6376

Passing Analysis

Category:
Athletes Passed
1279
Passed By
6388
Net Change
-5109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10311
5K → 10K65970-905#10311#11216
10K → 15K211615-1594#11216#12810
15K → 20K331599-1566#12810#14376
20K → Half8344-336#14376#14712
Half → 25K122452-330#14712#15042
25K → 30K117654-537#15042#15579
30K → 20M63321-258#15579#15837
20M → 21M69223-154#15837#15991
21M → 35K7948+31#15991#15960
35K → 23M134100+34#15960#15926
23M → 24M1749+165#15926#15761
24M → 40K12124+97#15761#15664
40K → 25.2M4627+19#15664#15645
25.2M → Finish2272+225#15645#15420
TOTALS12796388-5109
📊

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