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BOSTON MARATHON 2023

Jason Liddle

NY

Bib: 2631 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M45-49)
#0 / 2252
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:41/mi
20:46
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:41/mi
41:31
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:59/mi
1:06:20
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:00/mi
1:28:04
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:52/mi
1:32:45
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:15/mi
1:50:20
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:31/mi
2:13:42
↑ 181↓ 1480.2%
138 ft elev
20M
7:38/mi
2:24:05
↑ 64↓ 500.2%
148 ft elev
21M
9:12/mi
2:33:17
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:29/mi
2:38:53
↑ 17↓ 861.7%
156 ft elev
23M
8:28/mi
2:49:29
↑ 23↓ 630.6%
116 ft elev
24M
7:43/mi
2:57:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:29/mi
3:06:10
↓ 200.3%
20 ft elev
25.2M
8:51/mi
3:09:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:33/mi
3:17:56
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:32:457:04 /mi⚡ faster
2nd Half
1:45:118:01 /mi+13.4%
Positive split — 13.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:466:413.11 mi20:46
6:41
-
10K
41:316:413.10 mi20:45
6:41
0:00
15K
1:06:207:073.11 mi24:49
7:59
+1:18
20K
1:28:047:053.11 mi21:44
7:00
-0:59
Half(13.11 mi)
1:32:457:040.68 mi4:41
6:52
-0:08
25K
1:50:207:062.42 mi17:35
7:15
+0:23
30K
2:13:427:103.11 mi23:22
7:31
+0:16
20M
2:24:057:121.36 mi10:23
7:38
+0:07
21M
2:33:177:181.00 mi9:12
9:12
+1:34
35K
2:38:537:180.75 mi5:36
7:29
-1:43
23M
2:49:297:221.25 mi10:36
8:28
+0:59
24M
2:57:127:231.00 mi7:43
7:43
-0:45
40K
3:06:107:290.85 mi8:58
10:29
+2:46
25.2M
3:09:137:310.35 mi3:03
8:51
-1:38
Finish(26.22 mi)
3:17:567:331.02 mi8:43
8:33
-0:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:41 /mi

Average Pace

7:33 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:07:56

34% of race

Time at Steady Pace

1:29:28

45% of race

Time at Slower Pace

40:32

20% of race

Average Pace: 7:33 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi354233403340142651000510005
10K3.10 mi3793-2513573-2333573-233416539093909
15K3.11 mi7219-34266411-28386411-2838142651000510005
20K3.11 mi6850+3696140+2716140+271596154475447
Half(13.11 mi)0.68 mi6798+526099+416099+41581553475347
25K2.42 mi6781+176068+316068+31696661336133
30K3.11 mi6827-466086-186086-18736263046304
20M1.36 mi6869-426104-186104-18776364486448
21M1.00 mi7177-3086318-2146318-2141444296829682
35K0.75 mi7205-286321-36321-3842367546754
23M1.25 mi7454-2496457-1366457-1361296488918891
24M1.00 mi7500-466466-96466-9916869716971
40K0.85 mi8238-7386914-4486914-448211641243412434
25.2M0.35 mi8283-456934-206934-201149580098009
Finish(26.22 mi)1.02 mi8601-3187109-1757109-175156921002110021

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14265

Males

10005

M45-49

10005

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4165

Males

3909

M45-49

3909

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14265

Males

10005

M45-49

10005

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5961

Males

5447

M45-49

5447

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5815

Males

5347

M45-49

5347

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6966

Males

6133

M45-49

6133

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7362

Males

6304

M45-49

6304

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7763

Males

6448

M45-49

6448

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14442

Males

9682

M45-49

9682

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8423

Males

6754

M45-49

6754

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12964

Males

8891

M45-49

8891

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9168

Males

6971

M45-49

6971

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21164

Males

12434

M45-49

12434

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11495

Males

8009

M45-49

8009

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15692

Males

10021

M45-49

10021

Passing Analysis

Category:
Passed
919
Passed By
5978
Net Change
-5059
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3542
5K → 10K119370-251#3542#3793
10K → 15K03426-3426#3793#7219
15K → 20K3745+369#7219#6850
20K → Half542+52#6850#6798
Half → 25K8568+17#6798#6781
25K → 30K104150-46#6781#6827
30K → 20M4789-42#6827#6869
20M → 21M15323-308#6869#7177
21M → 35K2957-28#7177#7205
35K → 23M27276-249#7205#7454
23M → 24M4187-46#7454#7500
24M → 40K3741-738#7500#8238
40K → 25.2M1055-45#8238#8283
25.2M → Finish11329-318#8283#8601
TOTALS9195978-5059

Passing Charts

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