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BOSTON MARATHON 2023

Andrew Kilback

Bib: 14880•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Masters (Masters Men)
#0 / 9891
Top 33%
Division (M65-69)
#0 / 549
Top 3%
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
7:26/mi
23:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
45:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:08:05
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:30:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:35:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:53:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:17:05
↑ 181↓ 1480.2%
20M
7:37/mi
2:27:26
↑ 64↓ 500.2%
21M
8:21/mi
2:35:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:41:12
↑ 17↓ 861.7%
23M
7:52/mi
2:51:03
↑ 23↓ 630.6%
24M
7:37/mi
2:58:40
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:05:32
↓ 200.3%
25.2M
8:54/mi
3:08:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:16:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:54
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:40:51
Pace7:42 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1523:057:2623:05
7:26
-
10K
6.21 mi11:14:4445:347:2022:29
7:14
-0:12
15K
9.32 mi11:37:151:08:057:1822:31
7:15
+0:01
20K
12.43 mi12:00:071:30:577:1922:52
7:22
+0:07
Half
13.11 mi12:05:041:35:547:194:57
7:15
-0:07
25K
15.53 mi12:22:521:53:427:1917:48
7:20
+0:05
30K
18.64 mi12:46:152:17:057:2123:23
7:32
+0:12
20M
20.00 mi12:56:362:27:267:2210:21
7:37
+0:05
21M
21.00 mi13:04:572:35:477:258:21
8:21
+0:44
35K
21.75 mi13:10:222:41:127:255:25
7:14
-1:07
23M
23.00 mi13:20:132:51:037:269:51
7:52
+0:38
24M
24.00 mi13:27:502:58:407:277:37
7:37
-0:15
40K
24.85 mi13:34:423:05:327:286:52
8:02
+0:25
25.2M
25.20 mi13:37:463:08:367:293:04
8:54
+0:52
Finish
26.22 mi13:45:553:16:457:318:09
8:00
-0:54

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

7:14 /mi

Average Pace

7:31 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:22

28% of race

Time at Steady Pace

1:45:06

53% of race

Time at Slower Pace

36:17

18% of race

Average Pace: 7:30 /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 mi10:52:1523:057:2623:05
7:26
#9059
10K
6.21 mi11:14:4445:347:2022:29
7:14
#8667
15K
9.32 mi11:37:151:08:057:1822:31
7:15
#8489
20K
12.43 mi12:00:071:30:577:1922:52
7:22
#8380
Half
13.11 mi12:05:041:35:547:194:57
7:15
#8374
25K
15.53 mi12:22:521:53:427:1917:48
7:20
#8209
30K
18.64 mi12:46:152:17:057:2123:23
7:32
#8048
20M
20.00 mi12:56:362:27:267:2210:21
7:37
#7943
21M
21.00 mi13:04:572:35:477:258:21
8:21
#8015
35K
21.75 mi13:10:222:41:127:255:25
7:14
#7947
23M
23.00 mi13:20:132:51:037:269:51
7:52
#7976
24M
24.00 mi13:27:502:58:407:277:37
7:37
#7974
40K
24.85 mi13:34:423:05:327:286:52
8:02
#8033
25.2M
25.20 mi13:37:463:08:367:293:04
8:54
#8088
Finish
26.22 mi13:45:553:16:457:318:09
8:00
#8220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi9059763576358129(Top 31%)7005(Top 46%)7005(Top 1276%)
10K6.21 mi3.10 mi8667+3927377+2587377+2588369(Top 31%)7179(Top 47%)7179(Top 1308%)
15K9.32 mi3.11 mi8489+1787262+1157262+1158129(Top 31%)7005(Top 46%)7005(Top 1276%)
20K12.43 mi3.11 mi8380+1097183+797183+798210(Top 31%)7023(Top 46%)7023(Top 1279%)
Half13.11 mi0.68 mi8374+67175+87175+88221(Top 31%)7035(Top 46%)7035(Top 1281%)
25K15.53 mi2.42 mi8209+1657045+1307045+1307556(Top 28%)6518(Top 43%)6518(Top 1187%)
30K18.64 mi3.11 mi8048+1616904+1416904+1417401(Top 28%)6328(Top 42%)6328(Top 1153%)
20M20.00 mi1.36 mi7943+1056824+806824+807590(Top 29%)6335(Top 42%)6335(Top 1154%)
21M21.00 mi1.00 mi8015-726852-286852-289496(Top 36%)7334(Top 48%)7334(Top 1336%)
35K21.75 mi0.75 mi7947+686795+576795+576773(Top 25%)5759(Top 38%)5759(Top 1049%)
23M23.00 mi1.25 mi7976-296788+76788+78833(Top 33%)6876(Top 45%)6876(Top 1252%)
24M24.00 mi1.00 mi7974+26769+196769+198493(Top 32%)6605(Top 44%)6605(Top 1203%)
40K24.85 mi0.85 mi8033-596787-186787-1810216(Top 38%)7437(Top 49%)7437(Top 1355%)
25.2M25.20 mi0.35 mi8088-556814-276814-2711787(Top 44%)8130(Top 54%)8130(Top 1481%)
Finish26.22 mi1.02 mi8220-1326871-576871-5712078(Top 45%)8313(Top 55%)8313(Top 1514%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8129

Males

7005

M65-69

7005

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8369

Males

7179

M65-69

7179

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8129

Males

7005

M65-69

7005

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8210

Males

7023

M65-69

7023

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8221

Males

7035

M65-69

7035

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7556

Males

6518

M65-69

6518

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7401

Males

6328

M65-69

6328

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7590

Males

6335

M65-69

6335

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9496

Males

7334

M65-69

7334

21M→35K

21.0 - 21.8 mi

Top 25%
×7story building
+17ft-86ft

Overall

6773

Males

5759

M65-69

5759

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8833

Males

6876

M65-69

6876

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8493

Males

6605

M65-69

6605

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10216

Males

7437

M65-69

7437

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11787

Males

8130

M65-69

8130

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12078

Males

8313

M65-69

8313

Passing Analysis

Category:
Athletes Passed
1848
Passed By
1009
Net Change
+839
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9059
5K → 10K498106+392#9059#8667
10K → 15K24163+178#8667#8489
15K → 20K18374+109#8489#8380
20K → Half2418+6#8380#8374
Half → 25K20237+165#8374#8209
25K → 30K21251+161#8209#8048
30K → 20M12924+105#8048#7943
20M → 21M52124-72#7943#8015
21M → 35K8113+68#8015#7947
35K → 23M78107-29#7947#7976
23M → 24M6664+2#7976#7974
24M → 40K43102-59#7974#8033
40K → 25.2M1469-55#8033#8088
25.2M → Finish25157-132#8088#8220
TOTALS18481009+839
📊

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