Boston Marathon logo
BOSTON MARATHON 2024

Randy Coblentz

Bib: 17431•M

OH

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
8:29/mi
26:21
↑ 97↓ 3451.5%
10K· 6.21 mi
8:52/mi
53:53
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:21:28
↑ 67↓ 78
20K· 12.43 mi
9:08/mi
1:49:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:55:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:58/mi
2:20:05
↑ 66↓ 880.2%
30K· 18.64 mi
13:13/mi
3:01:10
↑ 181↓ 1480.2%
20M
11:17/mi
3:16:30
↑ 64↓ 500.2%
21M
14:29/mi
3:30:59
↑ 106↓ 241.6%
35K· 21.75 mi
13:57/mi
3:41:25
↑ 17↓ 861.7%
23M
12:13/mi
3:56:43
↑ 23↓ 630.6%
24M
16:32/mi
4:13:15
↓ 821.3%
40K· 24.85 mi
16:10/mi
4:27:04
↓ 200.3%
25.2M
13:58/mi
4:31:53
↑ 13↓ 160.2%
Finish· 26.22 mi
10:20/mi
4:42:25
↑ 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
Time1:55:55
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:46:30
Pace12:42 /mi
📊Positive Split: 43.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1826:218:2926:21
8:29
-
10K
6.21 mi11:44:5053:538:4027:32
8:52
+0:23
15K
9.32 mi12:12:251:21:288:4427:35
8:53
+0:01
20K
12.43 mi12:40:471:49:508:5028:22
9:08
+0:15
Half
13.11 mi12:46:521:55:558:516:05
8:55
-0:13
25K
15.53 mi13:11:022:20:059:0124:10
9:58
+1:03
30K
18.64 mi13:52:073:01:109:4341:05
13:13
+3:15
20M
20.00 mi14:07:273:16:309:4915:20
11:17
-1:56
21M
21.00 mi14:21:563:30:5910:0314:29
14:29
+3:12
35K
21.75 mi14:32:223:41:2510:1110:26
13:57
-0:32
23M
23.00 mi14:47:403:56:4310:1815:18
12:13
-1:44
24M
24.00 mi15:04:124:13:1510:3316:32
16:32
+4:19
40K
24.85 mi15:18:014:27:0410:4513:49
16:10
-0:22
25.2M
25.20 mi15:22:504:31:5310:474:49
13:58
-2:12
Finish
26.22 mi15:33:224:42:2510:4710:32
10:20
-3:38

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

8:29 /mi

Average Pace

10:47 /mi

Slowest Pace

16:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:55

41% of race

Time at Steady Pace

1:05:20

23% of race

Time at Slower Pace

1:41:10

36% of race

Average Pace: 10:46 /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 mi11:17:1826:218:2926:21
8:29
#17671
10K
6.21 mi11:44:5053:538:4027:32
8:52
#18440
15K
9.32 mi12:12:251:21:288:4427:35
8:53
#18387
20K
12.43 mi12:40:471:49:508:5028:22
9:08
#18189
Half
13.11 mi12:46:521:55:558:516:05
8:55
#18179
25K
15.53 mi13:11:022:20:059:0124:10
9:58
#18390
30K
18.64 mi13:52:073:01:109:4341:05
13:13
#20013
20M
20.00 mi14:07:273:16:309:4915:20
11:17
#19994
21M
21.00 mi14:21:563:30:5910:0314:29
14:29
#20235
35K
21.75 mi14:32:223:41:2510:1110:26
13:57
#20479
23M
23.00 mi14:47:403:56:4310:1815:18
12:13
#20536
24M
24.00 mi15:04:124:13:1510:3316:32
16:32
#21011
40K
24.85 mi15:18:014:27:0410:4513:49
16:10
#21328
25.2M
25.20 mi15:22:504:31:5310:474:49
13:58
#21331
Finish
26.22 mi15:33:224:42:2510:4710:32
10:20
#21258
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17671110671106718342(Top 72%)11414(Top 78%)11414(Top 747%)
10K6.21 mi3.10 mi18440-76911385-31811385-31819161(Top 75%)11743(Top 81%)11743(Top 768%)
15K9.32 mi3.11 mi18387+5311390-511390-518342(Top 72%)11414(Top 78%)11414(Top 747%)
20K12.43 mi3.11 mi18189+19811312+7811312+7817900(Top 70%)11213(Top 77%)11213(Top 733%)
Half13.11 mi0.68 mi18179+1011302+1011302+1017885(Top 70%)11128(Top 76%)11128(Top 728%)
25K15.53 mi2.42 mi18390-21111372-7011372-7019027(Top 74%)11605(Top 80%)11605(Top 759%)
30K18.64 mi3.11 mi20013-162312065-69312065-69323541(Top 92%)13573(Top 93%)13573(Top 888%)
20M20.00 mi1.36 mi19994+1912036+2912036+2919942(Top 78%)11715(Top 80%)11715(Top 766%)
21M21.00 mi1.00 mi20235-24112117-8112117-8122959(Top 90%)13137(Top 90%)13137(Top 859%)
35K21.75 mi0.75 mi20479-24412215-9812215-9824225(Top 95%)13773(Top 94%)13773(Top 901%)
23M23.00 mi1.25 mi20536-5712210+512210+521190(Top 83%)12171(Top 83%)12171(Top 796%)
24M24.00 mi1.00 mi21011-47512410-20012410-20025237(Top 99%)14349(Top 98%)14349(Top 938%)
40K24.85 mi0.85 mi21328-31712538-12812538-12825008(Top 98%)14198(Top 97%)14198(Top 929%)
25.2M25.20 mi0.35 mi21331-312530+812530+821539(Top 84%)12256(Top 84%)12256(Top 802%)
Finish26.22 mi1.02 mi21258+7312481+4912481+4919521(Top 76%)11244(Top 77%)11244(Top 735%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18342

Males

11414

M55-59

11414

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19161

Males

11743

M55-59

11743

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18342

Males

11414

M55-59

11414

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

17900

Males

11213

M55-59

11213

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

17885

Males

11128

M55-59

11128

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19027

Males

11605

M55-59

11605

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

23541

Males

13573

M55-59

13573

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19942

Males

11715

M55-59

11715

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

22959

Males

13137

M55-59

13137

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

24225

Males

13773

M55-59

13773

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

21190

Males

12171

M55-59

12171

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

25237

Males

14349

M55-59

14349

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25008

Males

14198

M55-59

14198

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21539

Males

12256

M55-59

12256

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

19521

Males

11244

M55-59

11244

Passing Analysis

Category:
Athletes Passed
1183
Passed By
4770
Net Change
-3587
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17671
5K → 10K76845-769#17671#18440
10K → 15K247194+53#18440#18387
15K → 20K341143+198#18387#18189
20K → Half4636+10#18189#18179
Half → 25K140351-211#18179#18390
25K → 30K131636-1623#18390#20013
30K → 20M8869+19#20013#19994
20M → 21M22263-241#19994#20235
21M → 35K14258-244#20235#20479
35K → 23M65122-57#20479#20536
23M → 24M8483-475#20536#21011
24M → 40K12329-317#21011#21328
40K → 25.2M2023-3#21328#21331
25.2M → Finish9118+73#21331#21258
TOTALS11834770-3587
📊

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