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BOSTON MARATHON 2024

Mark Groll

Bib: 12991•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 48%
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
8:19/mi
25:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
51:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:17:20
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:43:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:48:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:08:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:35:02
↑ 181↓ 1480.2%
20M
8:26/mi
2:46:29
↑ 64↓ 500.2%
21M
8:40/mi
2:55:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
3:01:24
↑ 17↓ 861.7%
23M
8:37/mi
3:12:11
↑ 23↓ 630.6%
24M
8:24/mi
3:20:35
↓ 821.3%
40K· 24.85 mi
8:25/mi
3:27:47
↓ 200.3%
25.2M
9:08/mi
3:30:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:39:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:40
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:50:27
Pace8:26 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5025:518:1925:51
8:19
-
10K
6.21 mi11:20:3451:358:1825:44
8:17
-0:02
15K
9.32 mi11:46:191:17:208:1825:45
8:17
0:00
20K
12.43 mi12:12:021:43:038:1825:43
8:17
0:00
Half
13.11 mi12:17:391:48:408:175:37
8:14
-0:03
25K
15.53 mi12:37:472:08:488:1720:08
8:18
+0:04
30K
18.64 mi13:04:012:35:028:1926:14
8:27
+0:09
20M
20.00 mi13:15:282:46:298:1911:27
8:26
-0:01
21M
21.00 mi13:24:082:55:098:208:40
8:40
+0:14
35K
21.75 mi13:30:233:01:248:206:15
8:21
-0:19
23M
23.00 mi13:41:103:12:118:2110:47
8:37
+0:16
24M
24.00 mi13:49:343:20:358:218:24
8:24
-0:13
40K
24.85 mi13:56:463:27:478:227:12
8:25
+0:01
25.2M
25.20 mi13:59:553:30:568:223:09
9:08
+0:43
Finish
26.22 mi14:08:063:39:078:228:11
8:02
-1:06

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

8:02 /mi

Average Pace

8:22 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:58

99% of race

Time at Steady Pace

3:09

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi10:54:5025:518:1925:51
8:19
#16759
10K
6.21 mi11:20:3451:358:1825:44
8:17
#16352
15K
9.32 mi11:46:191:17:208:1825:45
8:17
#15901
20K
12.43 mi12:12:021:43:038:1825:43
8:17
#15247
Half
13.11 mi12:17:391:48:408:175:37
8:14
#15190
25K
15.53 mi12:37:472:08:488:1720:08
8:18
#14582
30K
18.64 mi13:04:012:35:028:1926:14
8:27
#13705
20M
20.00 mi13:15:282:46:298:1911:27
8:26
#13283
21M
21.00 mi13:24:082:55:098:208:40
8:40
#12837
35K
21.75 mi13:30:233:01:248:206:15
8:21
#12706
23M
23.00 mi13:41:103:12:118:2110:47
8:37
#12445
24M
24.00 mi13:49:343:20:358:218:24
8:24
#12235
40K
24.85 mi13:56:463:27:478:227:12
8:25
#12054
25.2M
25.20 mi13:59:553:30:568:223:09
9:08
#11948
Finish
26.22 mi14:08:063:39:078:228:11
8:02
#11767
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16759107011070115197(Top 59%)10076(Top 69%)10076(Top 521%)
10K6.21 mi3.10 mi16352+40710537+16410537+16416009(Top 63%)10431(Top 72%)10431(Top 539%)
15K9.32 mi3.11 mi15901+45110358+17910358+17915197(Top 59%)10076(Top 69%)10076(Top 521%)
20K12.43 mi3.11 mi15247+65410107+25110107+25113573(Top 53%)9371(Top 64%)9371(Top 484%)
Half13.11 mi0.68 mi15190+5710083+2410083+2414135(Top 55%)9536(Top 65%)9536(Top 493%)
25K15.53 mi2.42 mi14582+6089803+2809803+28011991(Top 47%)8452(Top 58%)8452(Top 437%)
30K18.64 mi3.11 mi13705+8779360+4439360+44310351(Top 41%)7458(Top 51%)7458(Top 385%)
20M20.00 mi1.36 mi13283+4229108+2529108+2529038(Top 35%)6550(Top 45%)6550(Top 339%)
21M21.00 mi1.00 mi12837+4468870+2388870+2386994(Top 27%)5272(Top 36%)5272(Top 272%)
35K21.75 mi0.75 mi12706+1318779+918779+919879(Top 39%)6697(Top 46%)6697(Top 346%)
23M23.00 mi1.25 mi12445+2618600+1798600+1799073(Top 36%)6143(Top 42%)6143(Top 317%)
24M24.00 mi1.00 mi12235+2108451+1498451+1498842(Top 35%)5953(Top 41%)5953(Top 308%)
40K24.85 mi0.85 mi12054+1818326+1258326+1257957(Top 31%)5372(Top 37%)5372(Top 278%)
25.2M25.20 mi0.35 mi11948+1068262+648262+647165(Top 28%)4907(Top 34%)4907(Top 254%)
Finish26.22 mi1.02 mi11767+1818136+1268136+1268710(Top 34%)5782(Top 40%)5782(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15197

Males

10076

M50-54

10076

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

16009

Males

10431

M50-54

10431

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15197

Males

10076

M50-54

10076

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13573

Males

9371

M50-54

9371

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14135

Males

9536

M50-54

9536

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

11991

Males

8452

M50-54

8452

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10351

Males

7458

M50-54

7458

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9038

Males

6550

M50-54

6550

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6994

Males

5272

M50-54

5272

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9879

Males

6697

M50-54

6697

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9073

Males

6143

M50-54

6143

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

8842

Males

5953

M50-54

5953

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7957

Males

5372

M50-54

5372

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7165

Males

4907

M50-54

4907

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8710

Males

5782

M50-54

5782

Passing Analysis

Category:
Athletes Passed
5270
Passed By
278
Net Change
+4992
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16759
5K → 10K522115+407#16759#16352
10K → 15K50049+451#16352#15901
15K → 20K66713+654#15901#15247
20K → Half7316+57#15247#15190
Half → 25K6157+608#15190#14582
25K → 30K8814+877#14582#13705
30K → 20M4286+422#13705#13283
20M → 21M4471+446#13283#12837
21M → 35K14110+131#12837#12706
35K → 23M28019+261#12706#12445
23M → 24M22515+210#12445#12235
24M → 40K1898+181#12235#12054
40K → 25.2M1093+106#12054#11948
25.2M → Finish19312+181#11948#11767
TOTALS5270278+4992
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing