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BOSTON MARATHON 2024

Jeff Grunow

Bib: 8859•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 22%
Gender (Male)
#0 / 14578
Top 33%
Masters (Masters Men)
#0 / 9729
Top 21%
Division (M45-49)
#0 / 2218
Top 30%
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
6:56/mi
21:34
↑ 97↓ 3451.5%
10K· 6.21 mi
6:49/mi
42:46
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:03:44
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:24:56
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:29:35
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:46:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:10:47
↑ 181↓ 1480.2%
20M
8:03/mi
2:21:43
↑ 64↓ 500.2%
21M
8:56/mi
2:30:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:36:37
↑ 17↓ 861.7%
23M
8:29/mi
2:47:14
↑ 23↓ 630.6%
24M
8:16/mi
2:55:30
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:03:14
↓ 200.3%
25.2M
9:37/mi
3:06:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:14:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:45:10
Pace8:01 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0021:346:5621:34
6:56
-
10K
6.21 mi11:08:1242:466:5321:12
6:49
-0:07
15K
9.32 mi11:29:101:03:446:5020:58
6:45
-0:04
20K
12.43 mi11:50:221:24:566:5021:12
6:49
+0:04
Half
13.11 mi11:55:011:29:356:504:39
6:49
0:00
25K
15.53 mi12:12:201:46:546:5317:19
7:09
+0:20
30K
18.64 mi12:36:132:10:477:0123:53
7:41
+0:32
20M
20.00 mi12:47:092:21:437:0510:56
8:03
+0:22
21M
21.00 mi12:56:052:30:397:108:56
8:56
+0:53
35K
21.75 mi13:02:032:36:377:125:58
7:59
-0:57
23M
23.00 mi13:12:402:47:147:1610:37
8:29
+0:30
24M
24.00 mi13:20:562:55:307:198:16
8:16
-0:13
40K
24.85 mi13:28:403:03:147:227:44
9:03
+0:47
25.2M
25.20 mi13:31:593:06:337:243:19
9:37
+0:34
Finish
26.22 mi13:40:113:14:457:268:12
8:03
-1:34

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

6:45 /mi

Average Pace

7:26 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:54

55% of race

Time at Steady Pace

57:15

29% of race

Time at Slower Pace

30:36

16% of race

Average Pace: 7:26 /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 mi10:47:0021:346:5621:34
6:56
#6661
10K
6.21 mi11:08:1242:466:5321:12
6:49
#6050
15K
9.32 mi11:29:101:03:446:5020:58
6:45
#5471
20K
12.43 mi11:50:221:24:566:5021:12
6:49
#5057
Half
13.11 mi11:55:011:29:356:504:39
6:49
#5025
25K
15.53 mi12:12:201:46:546:5317:19
7:09
#4983
30K
18.64 mi12:36:132:10:477:0123:53
7:41
#5090
20M
20.00 mi12:47:092:21:437:0510:56
8:03
#5173
21M
21.00 mi12:56:052:30:397:108:56
8:56
#5255
35K
21.75 mi13:02:032:36:377:125:58
7:59
#5268
23M
23.00 mi13:12:402:47:147:1610:37
8:29
#5349
24M
24.00 mi13:20:562:55:307:198:16
8:16
#5393
40K
24.85 mi13:28:403:03:147:227:44
9:03
#5538
25.2M
25.20 mi13:31:593:06:337:243:19
9:37
#5579
Finish
26.22 mi13:40:113:14:457:268:12
8:03
#5636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6661592259224295(Top 17%)4017(Top 28%)4017(Top 181%)
10K6.21 mi3.10 mi6050+6115465+4575465+4575397(Top 21%)4958(Top 34%)4958(Top 224%)
15K9.32 mi3.11 mi5471+5795019+4465019+4464295(Top 17%)4017(Top 28%)4017(Top 181%)
20K12.43 mi3.11 mi5057+4144674+3454674+3454055(Top 16%)3786(Top 26%)3786(Top 171%)
Half13.11 mi0.68 mi5025+324645+294645+294647(Top 18%)4285(Top 29%)4285(Top 193%)
25K15.53 mi2.42 mi4983+424581+644581+645020(Top 20%)4495(Top 31%)4495(Top 203%)
30K18.64 mi3.11 mi5090-1074636-554636-556066(Top 24%)5049(Top 35%)5049(Top 228%)
20M20.00 mi1.36 mi5173-834672-364672-367006(Top 27%)5436(Top 37%)5436(Top 245%)
21M21.00 mi1.00 mi5255-824705-334705-338224(Top 32%)5896(Top 40%)5896(Top 266%)
35K21.75 mi0.75 mi5268-134692+134692+137599(Top 30%)5529(Top 38%)5529(Top 249%)
23M23.00 mi1.25 mi5349-814712-204712-208330(Top 33%)5758(Top 39%)5758(Top 260%)
24M24.00 mi1.00 mi5393-444715-34715-38099(Top 32%)5538(Top 38%)5538(Top 250%)
40K24.85 mi0.85 mi5538-1454795-804795-8011023(Top 43%)6920(Top 47%)6920(Top 312%)
25.2M25.20 mi0.35 mi5579-414803-84803-89150(Top 36%)5887(Top 40%)5887(Top 265%)
Finish26.22 mi1.02 mi5636-574813-104813-108786(Top 34%)5802(Top 40%)5802(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4295

Males

4017

M45-49

4017

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5397

Males

4958

M45-49

4958

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4295

Males

4017

M45-49

4017

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4055

Males

3786

M45-49

3786

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

4647

Males

4285

M45-49

4285

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5020

Males

4495

M45-49

4495

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6066

Males

5049

M45-49

5049

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7006

Males

5436

M45-49

5436

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8224

Males

5896

M45-49

5896

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7599

Males

5529

M45-49

5529

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8330

Males

5758

M45-49

5758

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8099

Males

5538

M45-49

5538

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11023

Males

6920

M45-49

6920

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9150

Males

5887

M45-49

5887

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8786

Males

5802

M45-49

5802

Passing Analysis

Category:
Athletes Passed
2450
Passed By
1425
Net Change
+1025
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6661
5K → 10K62918+611#6661#6050
10K → 15K5834+579#6050#5471
15K → 20K4228+414#5471#5057
20K → Half4513+32#5057#5025
Half → 25K187145+42#5025#4983
25K → 30K147254-107#4983#5090
30K → 20M70153-83#5090#5173
20M → 21M59141-82#5173#5255
21M → 35K6174-13#5255#5268
35K → 23M76157-81#5268#5349
23M → 24M62106-44#5349#5393
24M → 40K44189-145#5393#5538
40K → 25.2M2263-41#5538#5579
25.2M → Finish43100-57#5579#5636
TOTALS24501425+1025
📊

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