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BOSTON MARATHON 2023

Jack Whalen

Bib: 27869•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:40/mi
30:03
↑ 97↓ 3451.5%
10K· 6.21 mi
10:05/mi
1:01:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:32/mi
1:31:01
↑ 67↓ 78
20K· 12.43 mi
9:35/mi
2:00:46
↑ 106↓ 860.1%
Half· 13.11 mi
9:24/mi
2:07:11
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:30:18
↑ 66↓ 880.2%
30K· 18.64 mi
10:01/mi
3:01:25
↑ 181↓ 1480.2%
20M
9:41/mi
3:14:34
↑ 64↓ 500.2%
21M
9:53/mi
3:24:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:31:23
↑ 17↓ 861.7%
23M
9:32/mi
3:43:19
↑ 23↓ 630.6%
24M
9:19/mi
3:52:38
↓ 821.3%
40K· 24.85 mi
9:25/mi
4:00:41
↓ 200.3%
25.2M
10:29/mi
4:04:18
↑ 13↓ 160.2%
Finish· 26.22 mi
8:26/mi
4:12:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:07:11
Pace9:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:05:43
Pace9:35 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4830:039:4030:03
9:40
-
10K
6.21 mi12:24:091:01:249:5331:21
10:05
+0:25
15K
9.32 mi12:53:461:31:019:4629:37
9:32
-0:33
20K
12.43 mi13:23:312:00:469:4329:45
9:35
+0:03
Half
13.11 mi13:29:562:07:119:426:25
9:24
-0:11
25K
15.53 mi13:53:032:30:189:4123:07
9:32
+0:08
30K
18.64 mi14:24:103:01:259:4431:07
10:01
+0:29
20M
20.00 mi14:37:193:14:349:4413:09
9:41
-0:20
21M
21.00 mi14:47:123:24:279:449:53
9:53
+0:12
35K
21.75 mi14:54:083:31:239:436:56
9:16
-0:37
23M
23.00 mi15:06:043:43:199:4311:56
9:32
+0:16
24M
24.00 mi15:15:233:52:389:429:19
9:19
-0:13
40K
24.85 mi15:23:264:00:419:418:03
9:25
+0:06
25.2M
25.20 mi15:27:034:04:189:423:37
10:29
+1:04
Finish
26.22 mi15:35:394:12:549:398:36
8:26
-2:03

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

8:26 /mi

Average Pace

9:39 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:32

6% of race

Time at Steady Pace

2:41:24

64% of race

Time at Slower Pace

1:15:58

30% of race

Average Pace: 9:39 /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 mi11:52:4830:039:4030:03
9:40
#22572
10K
6.21 mi12:24:091:01:249:5331:21
10:05
#23350
15K
9.32 mi12:53:461:31:019:4629:37
9:32
#23054
20K
12.43 mi13:23:312:00:469:4329:45
9:35
#22716
Half
13.11 mi13:29:562:07:119:426:25
9:24
#22682
25K
15.53 mi13:53:032:30:189:4123:07
9:32
#22413
30K
18.64 mi14:24:103:01:259:4431:07
10:01
#22163
20M
20.00 mi14:37:193:14:349:4413:09
9:41
#21952
21M
21.00 mi14:47:123:24:279:449:53
9:53
#21752
35K
21.75 mi14:54:083:31:239:436:56
9:16
#21673
23M
23.00 mi15:06:043:43:199:4311:56
9:32
#21477
24M
24.00 mi15:15:233:52:389:429:19
9:19
#21349
40K
24.85 mi15:23:264:00:419:418:03
9:25
#21227
25.2M
25.20 mi15:27:034:04:189:423:37
10:29
#21189
Finish
26.22 mi15:35:394:12:549:398:36
8:26
#21011
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22572133801338022344(Top 84%)13344(Top 88%)13344(Top 650%)
10K6.21 mi3.10 mi23350-77813777-39713777-39723890(Top 90%)14041(Top 93%)14041(Top 684%)
15K9.32 mi3.11 mi23054+29613649+12813649+12822344(Top 84%)13344(Top 88%)13344(Top 650%)
20K12.43 mi3.11 mi22716+33813498+15113498+15121776(Top 82%)13084(Top 86%)13084(Top 638%)
Half13.11 mi0.68 mi22682+3413475+2313475+2321806(Top 82%)13088(Top 86%)13088(Top 638%)
25K15.53 mi2.42 mi22413+26913333+14213333+14220942(Top 79%)12682(Top 84%)12682(Top 618%)
30K18.64 mi3.11 mi22163+25013215+11813215+11821069(Top 79%)12663(Top 83%)12663(Top 617%)
20M20.00 mi1.36 mi21952+21113113+10213113+10219493(Top 73%)11905(Top 78%)11905(Top 580%)
21M21.00 mi1.00 mi21752+20013013+10013013+10017583(Top 66%)11057(Top 73%)11057(Top 539%)
35K21.75 mi0.75 mi21673+7912970+4312970+4319012(Top 71%)11606(Top 76%)11606(Top 566%)
23M23.00 mi1.25 mi21477+19612869+10112869+10118443(Top 69%)11326(Top 75%)11326(Top 552%)
24M24.00 mi1.00 mi21349+12812792+7712792+7718521(Top 70%)11327(Top 75%)11327(Top 552%)
40K24.85 mi0.85 mi21227+12212730+6212730+6218020(Top 68%)11048(Top 73%)11048(Top 538%)
25.2M25.20 mi0.35 mi21189+3812711+1912711+1919048(Top 72%)11504(Top 76%)11504(Top 561%)
Finish26.22 mi1.02 mi21011+17812608+10312608+10315005(Top 56%)9747(Top 64%)9747(Top 475%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22344

Males

13344

M50-54

13344

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23890

Males

14041

M50-54

14041

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22344

Males

13344

M50-54

13344

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21776

Males

13084

M50-54

13084

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21806

Males

13088

M50-54

13088

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20942

Males

12682

M50-54

12682

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21069

Males

12663

M50-54

12663

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19493

Males

11905

M50-54

11905

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17583

Males

11057

M50-54

11057

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

19012

Males

11606

M50-54

11606

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

18443

Males

11326

M50-54

11326

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18521

Males

11327

M50-54

11327

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18020

Males

11048

M50-54

11048

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19048

Males

11504

M50-54

11504

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

15005

Males

9747

M50-54

9747

Passing Analysis

Category:
Athletes Passed
2466
Passed By
905
Net Change
+1561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22572
5K → 10K27805-778#22572#23350
10K → 15K33236+296#23350#23054
15K → 20K34911+338#23054#22716
20K → Half395+34#22716#22682
Half → 25K2756+269#22682#22413
25K → 30K27020+250#22413#22163
30K → 20M2132+211#22163#21952
20M → 21M2022+200#21952#21752
21M → 35K823+79#21752#21673
35K → 23M1982+196#21673#21477
23M → 24M1324+128#21477#21349
24M → 40K1253+122#21349#21227
40K → 25.2M424+38#21227#21189
25.2M → Finish1802+178#21189#21011
TOTALS2466905+1561
📊

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