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BOSTON MARATHON 2023

Chip Akers

Bib: 17947•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 26%
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
8:11/mi
25:26
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
50:57
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:16:24
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:41:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:47:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:07:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:18/mi
2:33:28
↑ 181↓ 1480.2%
20M
8:13/mi
2:44:38
↑ 64↓ 500.2%
21M
8:42/mi
2:53:20
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:59:14
↑ 17↓ 861.7%
23M
8:18/mi
3:09:38
↑ 23↓ 630.6%
24M
8:06/mi
3:17:44
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:24:58
↓ 200.3%
25.2M
9:52/mi
3:28:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
3:37:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:42
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:50:09
Pace8:24 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0125:268:1125:26
8:11
-
10K
6.21 mi11:41:3250:578:1225:31
8:13
+0:02
15K
9.32 mi12:06:591:16:248:1225:27
8:11
-0:02
20K
12.43 mi12:32:301:41:558:1225:31
8:13
+0:02
Half
13.11 mi12:38:171:47:428:135:47
8:29
+0:16
25K
15.53 mi12:58:152:07:408:1319:58
8:14
-0:15
30K
18.64 mi13:24:032:33:288:1425:48
8:18
+0:04
20M
20.00 mi13:35:132:44:388:1411:10
8:13
-0:05
21M
21.00 mi13:43:552:53:208:158:42
8:42
+0:29
35K
21.75 mi13:49:492:59:148:145:54
7:53
-0:49
23M
23.00 mi14:00:133:09:388:1510:24
8:18
+0:25
24M
24.00 mi14:08:193:17:448:148:06
8:06
-0:12
40K
24.85 mi14:15:333:24:588:157:14
8:28
+0:22
25.2M
25.20 mi14:18:573:28:228:163:24
9:52
+1:24
Finish
26.22 mi14:28:263:37:518:199:29
9:18
-0:34

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

7:53 /mi

Average Pace

8:19 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:54

3% of race

Time at Steady Pace

3:04:35

85% of race

Time at Slower Pace

27:22

13% of race

Average Pace: 8:19 /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 mi11:16:0125:268:1125:26
8:11
#15356
10K
6.21 mi11:41:3250:578:1225:31
8:13
#15825
15K
9.32 mi12:06:591:16:248:1225:27
8:11
#15802
20K
12.43 mi12:32:301:41:558:1225:31
8:13
#15573
Half
13.11 mi12:38:171:47:428:135:47
8:29
#15684
25K
15.53 mi12:58:152:07:408:1319:58
8:14
#15480
30K
18.64 mi13:24:032:33:288:1425:48
8:18
#15014
20M
20.00 mi13:35:132:44:388:1411:10
8:13
#14786
21M
21.00 mi13:43:552:53:208:158:42
8:42
#14577
35K
21.75 mi13:49:492:59:148:145:54
7:53
#14467
23M
23.00 mi14:00:133:09:388:1510:24
8:18
#14292
24M
24.00 mi14:08:193:17:448:148:06
8:06
#14160
40K
24.85 mi14:15:333:24:588:157:14
8:28
#14106
25.2M
25.20 mi14:18:573:28:228:163:24
9:52
#14157
Finish
26.22 mi14:28:263:37:518:199:29
9:18
#14398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15356104651046515788(Top 59%)10606(Top 70%)10606(Top 955%)
10K6.21 mi3.10 mi15825-46910629-16410629-16416332(Top 61%)10837(Top 71%)10837(Top 976%)
15K9.32 mi3.11 mi15802+2310624+510624+515788(Top 59%)10606(Top 70%)10606(Top 955%)
20K12.43 mi3.11 mi15573+22910514+11010514+11015036(Top 56%)10277(Top 68%)10277(Top 926%)
Half13.11 mi0.68 mi15684-11110552-3810552-3817536(Top 66%)11297(Top 74%)11297(Top 1018%)
25K15.53 mi2.42 mi15480+20410446+10610446+10614478(Top 54%)9962(Top 66%)9962(Top 897%)
30K18.64 mi3.11 mi15014+46610238+20810238+20813057(Top 49%)9254(Top 61%)9254(Top 834%)
20M20.00 mi1.36 mi14786+22810138+10010138+10011811(Top 44%)8638(Top 57%)8638(Top 778%)
21M21.00 mi1.00 mi14577+20910023+11510023+11511665(Top 44%)8432(Top 56%)8432(Top 760%)
35K21.75 mi0.75 mi14467+1109961+629961+6211291(Top 42%)8273(Top 55%)8273(Top 745%)
23M23.00 mi1.25 mi14292+1759866+959866+9511923(Top 45%)8441(Top 56%)8441(Top 760%)
24M24.00 mi1.00 mi14160+1329796+709796+7011936(Top 45%)8377(Top 55%)8377(Top 755%)
40K24.85 mi0.85 mi14106+549755+419755+4113064(Top 49%)8813(Top 58%)8813(Top 794%)
25.2M25.20 mi0.35 mi14157-519763-89763-816748(Top 63%)10434(Top 69%)10434(Top 940%)
Finish26.22 mi1.02 mi14398-2419840-779840-7719368(Top 73%)11683(Top 77%)11683(Top 1053%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15788

Males

10606

M60-64

10606

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16332

Males

10837

M60-64

10837

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15788

Males

10606

M60-64

10606

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15036

Males

10277

M60-64

10277

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

17536

Males

11297

M60-64

11297

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14478

Males

9962

M60-64

9962

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13057

Males

9254

M60-64

9254

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11811

Males

8638

M60-64

8638

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11665

Males

8432

M60-64

8432

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11291

Males

8273

M60-64

8273

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11923

Males

8441

M60-64

8441

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11936

Males

8377

M60-64

8377

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13064

Males

8813

M60-64

8813

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16748

Males

10434

M60-64

10434

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19368

Males

11683

M60-64

11683

Passing Analysis

Category:
Athletes Passed
2398
Passed By
1440
Net Change
+958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15356
5K → 10K139608-469#15356#15825
10K → 15K201178+23#15825#15802
15K → 20K29465+229#15802#15573
20K → Half12123-111#15573#15684
Half → 25K23733+204#15684#15480
25K → 30K48418+466#15480#15014
30K → 20M2324+228#15014#14786
20M → 21M22112+209#14786#14577
21M → 35K1155+110#14577#14467
35K → 23M19116+175#14467#14292
23M → 24M14513+132#14292#14160
24M → 40K9339+54#14160#14106
40K → 25.2M1768-51#14106#14157
25.2M → Finish17258-241#14157#14398
TOTALS23981440+958
📊

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