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BOSTON MARATHON 2023

Kelly Salem

Bib: 27412•F

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:06
Rank: #23473
Start → 5K
31:06 | 10:01/mi
10K· 6.21 mi
59:40
Rank: #22613 (+860)
5K → 10K
28:34 | 9:12/mi
15K· 9.32 mi
1:27:54
Rank: #22082 (+531)
10K → 15K
28:14 | 9:05/mi
20K· 12.43 mi
1:56:20
Rank: #21701 (+381)
15K → 20K
28:26 | 9:09/mi
Half· 13.11 mi
2:02:29
Rank: #21649 (+52)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:25:11
Rank: #21429 (+220)
Half → 25K
22:42 | 9:22/mi
30K· 18.64 mi
2:56:08
Rank: #21320 (+109)
25K → 30K
30:57 | 9:58/mi
20M
3:09:49
Rank: #21250 (+70)
30K → 20M
13:41 | 10:04/mi
21M
3:21:03
Rank: #21266 (-16)
20M → 21M
11:14 | 11:14/mi
35K· 21.75 mi
3:27:57
Rank: #21173 (+93)
21M → 35K
6:54 | 9:13/mi
23M
3:40:35
Rank: #21097 (+76)
35K → 23M
12:38 | 10:05/mi
24M
3:50:20
Rank: #21039 (+58)
23M → 24M
9:45 | 9:45/mi
40K· 24.85 mi
3:58:59
Rank: #20998 (+41)
24M → 40K
8:39 | 10:07/mi
25.2M
4:02:48
Rank: #20996 (+2)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:12:45
Rank: #20991 (+5)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:29
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:10:16
Pace9:56 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0531:0610:0131:06
10:01
-
10K
6.21 mi12:18:3959:409:3628:34
9:12
-0:49
15K
9.32 mi12:46:531:27:549:2628:14
9:05
-0:07
20K
12.43 mi13:15:191:56:209:2228:26
9:09
+0:04
Half
13.11 mi13:21:282:02:299:216:09
9:01
-0:08
25K
15.53 mi13:44:102:25:119:2122:42
9:22
+0:21
30K
18.64 mi14:15:072:56:089:2730:57
9:58
+0:36
20M
20.00 mi14:28:483:09:499:2913:41
10:04
+0:06
21M
21.00 mi14:40:023:21:039:3411:14
11:14
+1:10
35K
21.75 mi14:46:563:27:579:346:54
9:13
-2:01
23M
23.00 mi14:59:343:40:359:3512:38
10:05
+0:52
24M
24.00 mi15:09:193:50:209:369:45
9:45
-0:20
40K
24.85 mi15:17:583:58:599:378:39
10:07
+0:22
25.2M
25.20 mi15:21:474:02:489:383:49
11:04
+0:57
Finish
26.22 mi15:31:444:12:459:399:57
9:46
-1:18

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

9:01 /mi

Average Pace

9:39 /mi

Slowest Pace

11:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:59

48% of race

Time at Steady Pace

1:48:04

43% of race

Time at Slower Pace

23:42

9% of race

Average Pace: 9:38 /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 mi11:50:0531:0610:0131:06
10:01
#23473
10K
6.21 mi12:18:3959:409:3628:34
9:12
#22613
15K
9.32 mi12:46:531:27:549:2628:14
9:05
#22082
20K
12.43 mi13:15:191:56:209:2228:26
9:09
#21701
Half
13.11 mi13:21:282:02:299:216:09
9:01
#21649
25K
15.53 mi13:44:102:25:119:2122:42
9:22
#21429
30K
18.64 mi14:15:072:56:089:2730:57
9:58
#21320
20M
20.00 mi14:28:483:09:499:2913:41
10:04
#21250
21M
21.00 mi14:40:023:21:039:3411:14
11:14
#21266
35K
21.75 mi14:46:563:27:579:346:54
9:13
#21173
23M
23.00 mi14:59:343:40:359:3512:38
10:05
#21097
24M
24.00 mi15:09:193:50:209:369:45
9:45
#21039
40K
24.85 mi15:17:583:58:599:378:39
10:07
#20998
25.2M
25.20 mi15:21:474:02:489:383:49
11:04
#20996
Finish
26.22 mi15:31:444:12:459:399:57
9:46
#20991
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi234739634963420906(Top 79%)8188(Top 72%)8188(Top 436%)
10K6.21 mi3.10 mi22613+8609156+4789156+47821610(Top 81%)8605(Top 75%)8605(Top 458%)
15K9.32 mi3.11 mi22082+5318883+2738883+27320906(Top 79%)8188(Top 72%)8188(Top 436%)
20K12.43 mi3.11 mi21701+3818661+2228661+22220382(Top 77%)7894(Top 69%)7894(Top 420%)
Half13.11 mi0.68 mi21649+528637+248637+2420536(Top 77%)7991(Top 70%)7991(Top 426%)
25K15.53 mi2.42 mi21429+2208504+1338504+13320400(Top 77%)7928(Top 69%)7928(Top 422%)
30K18.64 mi3.11 mi21320+1098462+428462+4220925(Top 79%)8303(Top 73%)8303(Top 442%)
20M20.00 mi1.36 mi21250+708444+188444+1820683(Top 78%)8241(Top 72%)8241(Top 439%)
21M21.00 mi1.00 mi21266-168460-168460-1621347(Top 80%)8651(Top 76%)8651(Top 461%)
35K21.75 mi0.75 mi21173+938417+438417+4318882(Top 71%)7336(Top 64%)7336(Top 391%)
23M23.00 mi1.25 mi21097+768386+318386+3120254(Top 76%)8110(Top 71%)8110(Top 432%)
24M24.00 mi1.00 mi21039+588365+218365+2120081(Top 75%)8021(Top 70%)8021(Top 427%)
40K24.85 mi0.85 mi20998+418352+138352+1320302(Top 76%)8223(Top 72%)8223(Top 438%)
25.2M25.20 mi0.35 mi20996+28361-98361-920630(Top 77%)8391(Top 73%)8391(Top 447%)
Finish26.22 mi1.02 mi20991+58366-58366-521045(Top 79%)8586(Top 75%)8586(Top 457%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20906

Females

8188

F40-44

8188

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21610

Females

8605

F40-44

8605

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20906

Females

8188

F40-44

8188

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20382

Females

7894

F40-44

7894

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20536

Females

7991

F40-44

7991

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20400

Females

7928

F40-44

7928

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

20925

Females

8303

F40-44

8303

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20683

Females

8241

F40-44

8241

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21347

Females

8651

F40-44

8651

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18882

Females

7336

F40-44

7336

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20254

Females

8110

F40-44

8110

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

20081

Females

8021

F40-44

8021

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20302

Females

8223

F40-44

8223

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20630

Females

8391

F40-44

8391

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21045

Females

8586

F40-44

8586

Passing Analysis

Category:
Athletes Passed
2845
Passed By
363
Net Change
+2482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23473
5K → 10K87212+860#23473#22613
10K → 15K5409+531#22613#22082
15K → 20K39716+381#22082#21701
20K → Half564+52#21701#21649
Half → 25K24424+220#21649#21429
25K → 30K17869+109#21429#21320
30K → 20M10636+70#21320#21250
20M → 21M5975-16#21250#21266
21M → 35K963+93#21266#21173
35K → 23M9620+76#21173#21097
23M → 24M7113+58#21097#21039
24M → 40K5413+41#21039#20998
40K → 25.2M3230+2#20998#20996
25.2M → Finish4439+5#20996#20991
TOTALS2845363+2482
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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