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BOSTON MARATHON 2023

Susanna Spearman

Bib: 15468•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #8065
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
45:51
Rank: #9033 (-968)
5K → 10K
23:12 | 7:28/mi
15K· 9.32 mi
1:10:27
Rank: #10581 (-1548)
10K → 15K
24:36 | 7:55/mi
20K· 12.43 mi
1:35:35
Rank: #11463 (-882)
15K → 20K
25:08 | 8:05/mi
Half· 13.11 mi
1:40:48
Rank: #11454 (+9)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:00:54
Rank: #12040 (-586)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:28:26
Rank: #13006 (-966)
25K → 30K
27:32 | 8:52/mi
20M
2:40:28
Rank: #13231 (-225)
30K → 20M
12:02 | 8:52/mi
21M
2:49:02
Rank: #13051 (+180)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:55:27
Rank: #13157 (-106)
21M → 35K
6:25 | 8:34/mi
23M
3:06:27
Rank: #13253 (-96)
35K → 23M
11:00 | 8:47/mi
24M
3:15:01
Rank: #13309 (-56)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:22:18
Rank: #13296 (+13)
24M → 40K
7:17 | 8:31/mi
25.2M
3:25:29
Rank: #13288 (+8)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:33:51
Rank: #13297 (-9)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:48
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:53:03
Pace8:37 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3822:397:1722:39
7:17
-
10K
6.21 mi11:16:5045:517:2323:12
7:28
+0:11
15K
9.32 mi11:41:261:10:277:3424:36
7:55
+0:27
20K
12.43 mi12:06:341:35:357:4125:08
8:05
+0:10
Half
13.11 mi12:11:471:40:487:415:13
7:39
-0:26
25K
15.53 mi12:31:532:00:547:4720:06
8:17
+0:38
30K
18.64 mi12:59:252:28:267:5827:32
8:52
+0:35
20M
20.00 mi13:11:272:40:288:0112:02
8:52
0:00
21M
21.00 mi13:20:012:49:028:038:34
8:34
-0:18
35K
21.75 mi13:26:262:55:278:046:25
8:34
0:00
23M
23.00 mi13:37:263:06:278:0611:00
8:47
+0:13
24M
24.00 mi13:46:003:15:018:088:34
8:34
-0:13
40K
24.85 mi13:53:173:22:188:087:17
8:31
-0:03
25.2M
25.20 mi13:56:283:25:298:093:11
9:14
+0:43
Finish
26.22 mi14:04:503:33:518:108:22
8:13
-1:01

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

7:17 /mi

Average Pace

8:10 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:10

51% of race

Time at Steady Pace

1:01:56

29% of race

Time at Slower Pace

42:45

20% of race

Average Pace: 8:09 /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 mi10:53:3822:397:1722:39
7:17
#8065
10K
6.21 mi11:16:5045:517:2323:12
7:28
#9033
15K
9.32 mi11:41:261:10:277:3424:36
7:55
#10581
20K
12.43 mi12:06:341:35:357:4125:08
8:05
#11463
Half
13.11 mi12:11:471:40:487:415:13
7:39
#11454
25K
15.53 mi12:31:532:00:547:4720:06
8:17
#12040
30K
18.64 mi12:59:252:28:267:5827:32
8:52
#13006
20M
20.00 mi13:11:272:40:288:0112:02
8:52
#13231
21M
21.00 mi13:20:012:49:028:038:34
8:34
#13051
35K
21.75 mi13:26:262:55:278:046:25
8:34
#13157
23M
23.00 mi13:37:263:06:278:0611:00
8:47
#13253
24M
24.00 mi13:46:003:15:018:088:34
8:34
#13309
40K
24.85 mi13:53:173:22:188:087:17
8:31
#13296
25.2M
25.20 mi13:56:283:25:298:093:11
9:14
#13288
Finish
26.22 mi14:04:503:33:518:108:22
8:13
#13297
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi80651043104313729(Top 52%)3919(Top 34%)3919(Top 80%)
10K6.21 mi3.10 mi9033-9681433-3901433-39010219(Top 38%)1922(Top 17%)1922(Top 39%)
15K9.32 mi3.11 mi10581-15482112-6792112-67913729(Top 52%)3919(Top 34%)3919(Top 80%)
20K12.43 mi3.11 mi11463-8822596-4842596-48414159(Top 53%)4195(Top 37%)4195(Top 86%)
Half13.11 mi0.68 mi11454+92597-12597-111515(Top 43%)2656(Top 23%)2656(Top 54%)
25K15.53 mi2.42 mi12040-5862965-3682965-36814889(Top 56%)4756(Top 42%)4756(Top 97%)
30K18.64 mi3.11 mi13006-9663553-5883553-58816428(Top 62%)5746(Top 50%)5746(Top 118%)
20M20.00 mi1.36 mi13231-2253698-1453698-14515790(Top 59%)5453(Top 48%)5453(Top 112%)
21M21.00 mi1.00 mi13051+1803614+843614+8410925(Top 41%)2839(Top 25%)2839(Top 58%)
35K21.75 mi0.75 mi13157-1063685-713685-7115669(Top 59%)5526(Top 48%)5526(Top 113%)
23M23.00 mi1.25 mi13253-963768-833768-8314915(Top 56%)5115(Top 45%)5115(Top 105%)
24M24.00 mi1.00 mi13309-563821-533821-5314874(Top 56%)5151(Top 45%)5151(Top 105%)
40K24.85 mi0.85 mi13296+133838-173838-1713482(Top 51%)4459(Top 39%)4459(Top 91%)
25.2M25.20 mi0.35 mi13288+83851-133851-1313838(Top 52%)4649(Top 41%)4649(Top 95%)
Finish26.22 mi1.02 mi13297-93875-243875-2413524(Top 51%)4479(Top 39%)4479(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13729

Females

3919

F18-39

3919

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10219

Females

1922

F18-39

1922

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13729

Females

3919

F18-39

3919

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14159

Females

4195

F18-39

4195

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11515

Females

2656

F18-39

2656

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14889

Females

4756

F18-39

4756

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16428

Females

5746

F18-39

5746

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15790

Females

5453

F18-39

5453

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10925

Females

2839

F18-39

2839

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15669

Females

5526

F18-39

5526

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14915

Females

5115

F18-39

5115

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14874

Females

5151

F18-39

5151

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13482

Females

4459

F18-39

4459

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13838

Females

4649

F18-39

4649

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13524

Females

4479

F18-39

4479

Passing Analysis

Category:
Athletes Passed
692
Passed By
5922
Net Change
-5232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8065
5K → 10K29997-968#8065#9033
10K → 15K121558-1548#9033#10581
15K → 20K22904-882#10581#11463
20K → Half3223+9#11463#11454
Half → 25K22608-586#11454#12040
25K → 30K401006-966#12040#13006
30K → 20M34259-225#13006#13231
20M → 21M19717+180#13231#13051
21M → 35K23129-106#13051#13157
35K → 23M64160-96#13157#13253
23M → 24M51107-56#13253#13309
24M → 40K6552+13#13309#13296
40K → 25.2M4133+8#13296#13288
25.2M → Finish6069-9#13288#13297
TOTALS6925922-5232
📊

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