Boston Marathon logo
BOSTON MARATHON 2024

Darrell Janson

Bib: 19777•M

OR

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 49%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Top 23%
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
7:52/mi
24:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:14:03
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:39:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:45:12
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:05:55
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:34:00
↑ 181↓ 1480.2%
20M
9:13/mi
2:46:31
↑ 64↓ 500.2%
21M
9:42/mi
2:56:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:02:48
↑ 17↓ 861.7%
23M
9:02/mi
3:14:07
↑ 23↓ 630.6%
24M
8:43/mi
3:22:50
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:30:43
↓ 200.3%
25.2M
10:06/mi
3:34:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:42:46
↑ 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
Time1:45:12
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:57:34
Pace8:58 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1524:257:5224:25
7:52
-
10K
6.21 mi11:42:0149:117:5524:46
7:58
+0:06
15K
9.32 mi12:06:531:14:037:5724:52
8:00
+0:02
20K
12.43 mi12:32:261:39:368:0125:33
8:13
+0:13
Half
13.11 mi12:38:021:45:128:015:36
8:12
-0:01
25K
15.53 mi12:58:452:05:558:0620:43
8:33
+0:21
30K
18.64 mi13:26:502:34:008:1628:05
9:02
+0:29
20M
20.00 mi13:39:212:46:318:2012:31
9:13
+0:11
21M
21.00 mi13:49:032:56:138:239:42
9:42
+0:29
35K
21.75 mi13:55:383:02:488:246:35
8:48
-0:54
23M
23.00 mi14:06:573:14:078:2611:19
9:02
+0:14
24M
24.00 mi14:15:403:22:508:278:43
8:43
-0:19
40K
24.85 mi14:23:333:30:438:297:53
9:13
+0:30
25.2M
25.20 mi14:27:023:34:128:303:29
10:06
+0:53
Finish
26.22 mi14:35:363:42:468:308:34
8:24
-1:42

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

7:52 /mi

Average Pace

8:30 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:12

47% of race

Time at Steady Pace

1:23:59

38% of race

Time at Slower Pace

33:35

15% of race

Average Pace: 8:30 /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 mi11:17:1524:257:5224:25
7:52
#13551
10K
6.21 mi11:42:0149:117:5524:46
7:58
#13772
15K
9.32 mi12:06:531:14:037:5724:52
8:00
#13644
20K
12.43 mi12:32:261:39:368:0125:33
8:13
#13538
Half
13.11 mi12:38:021:45:128:015:36
8:12
#13557
25K
15.53 mi12:58:452:05:558:0620:43
8:33
#13452
30K
18.64 mi13:26:502:34:008:1628:05
9:02
#13373
20M
20.00 mi13:39:212:46:318:2012:31
9:13
#13294
21M
21.00 mi13:49:032:56:138:239:42
9:42
#13166
35K
21.75 mi13:55:383:02:488:246:35
8:48
#13099
23M
23.00 mi14:06:573:14:078:2611:19
9:02
#12948
24M
24.00 mi14:15:403:22:508:278:43
8:43
#12833
40K
24.85 mi14:23:333:30:438:297:53
9:13
#12750
25.2M
25.20 mi14:27:023:34:128:303:29
10:06
#12725
Finish
26.22 mi14:35:363:42:468:308:34
8:24
#12617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi135519485948513474(Top 53%)9377(Top 64%)9377(Top 799%)
10K6.21 mi3.10 mi13772-2219547-629547-6213980(Top 55%)9603(Top 66%)9603(Top 819%)
15K9.32 mi3.11 mi13644+1289470+779470+7713474(Top 53%)9377(Top 64%)9377(Top 799%)
20K12.43 mi3.11 mi13538+1069427+439427+4313276(Top 52%)9254(Top 63%)9254(Top 789%)
Half13.11 mi0.68 mi13557-199428-19428-113999(Top 55%)9487(Top 65%)9487(Top 809%)
25K15.53 mi2.42 mi13452+1059359+699359+6913283(Top 52%)9047(Top 62%)9047(Top 771%)
30K18.64 mi3.11 mi13373+799216+1439216+14313412(Top 52%)8872(Top 61%)8872(Top 756%)
20M20.00 mi1.36 mi13294+799114+1029114+10213180(Top 52%)8485(Top 58%)8485(Top 723%)
21M21.00 mi1.00 mi13166+1288996+1188996+11811689(Top 46%)7557(Top 52%)7557(Top 644%)
35K21.75 mi0.75 mi13099+678941+558941+5512323(Top 48%)7851(Top 54%)7851(Top 669%)
23M23.00 mi1.25 mi12948+1518809+1328809+13211360(Top 44%)7251(Top 50%)7251(Top 618%)
24M24.00 mi1.00 mi12833+1158723+868723+8610669(Top 42%)6883(Top 47%)6883(Top 587%)
40K24.85 mi0.85 mi12750+838632+918632+9111884(Top 47%)7377(Top 51%)7377(Top 629%)
25.2M25.20 mi0.35 mi12725+258605+278605+2711322(Top 44%)7056(Top 48%)7056(Top 602%)
Finish26.22 mi1.02 mi12617+1088517+888517+8810990(Top 43%)6991(Top 48%)6991(Top 596%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13474

Males

9377

M60-64

9377

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

13980

Males

9603

M60-64

9603

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13474

Males

9377

M60-64

9377

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13276

Males

9254

M60-64

9254

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

13999

Males

9487

M60-64

9487

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13283

Males

9047

M60-64

9047

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13412

Males

8872

M60-64

8872

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13180

Males

8485

M60-64

8485

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11689

Males

7557

M60-64

7557

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12323

Males

7851

M60-64

7851

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11360

Males

7251

M60-64

7251

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

10669

Males

6883

M60-64

6883

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

11884

Males

7377

M60-64

7377

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11322

Males

7056

M60-64

7056

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

10990

Males

6991

M60-64

6991

Passing Analysis

Category:
Athletes Passed
2594
Passed By
1660
Net Change
+934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13551
5K → 10K215436-221#13551#13772
10K → 15K269141+128#13772#13644
15K → 20K310204+106#13644#13538
20K → Half3554-19#13538#13557
Half → 25K263158+105#13557#13452
25K → 30K333254+79#13452#13373
30K → 20M17697+79#13373#13294
20M → 21M19062+128#13294#13166
21M → 35K10437+67#13166#13099
35K → 23M21261+151#13099#12948
23M → 24M14732+115#12948#12833
24M → 40K14259+83#12833#12750
40K → 25.2M5530+25#12750#12725
25.2M → Finish14335+108#12725#12617
TOTALS25941660+934
📊

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