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BOSTON MARATHON 2023

Jessica Spurdza

Bib: 27236•F

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0:00
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
36:20
Rank: #26321
Start → 5K
36:20 | 11:42/mi
10K· 6.21 mi
1:14:01
Rank: #26351 (-30)
5K → 10K
37:41 | 12:08/mi
15K· 9.32 mi
1:51:49
Rank: #26292 (+59)
10K → 15K
37:48 | 12:10/mi
20K· 12.43 mi
2:29:22
Rank: #26167 (+125)
15K → 20K
37:33 | 12:05/mi
Half· 13.11 mi
2:37:16
Rank: #26147 (+20)
20K → Half
7:54 | 11:35/mi
25K· 15.53 mi
3:05:09
Rank: #25947 (+200)
Half → 25K
27:53 | 11:30/mi
30K· 18.64 mi
3:42:32
Rank: #25736 (+211)
25K → 30K
37:23 | 12:02/mi
20M
3:58:34
Rank: #25649 (+87)
30K → 20M
16:02 | 11:48/mi
21M
4:10:45
Rank: #25548 (+101)
20M → 21M
12:11 | 12:11/mi
35K· 21.75 mi
4:19:39
Rank: #25517 (+31)
21M → 35K
8:54 | 11:54/mi
23M
4:33:56
Rank: #25425 (+92)
35K → 23M
14:17 | 11:24/mi
24M
4:45:32
Rank: #25388 (+37)
23M → 24M
11:36 | 11:36/mi
40K· 24.85 mi
4:56:06
Rank: #25358 (+30)
24M → 40K
10:34 | 12:22/mi
25.2M
5:00:35
Rank: #25343 (+15)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
5:11:50
Rank: #25308 (+35)
25.2M → Finish
11:15 | 11:02/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:37:16
Pace12:00 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:34:34
Pace11:47 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4436:2011:4236:20
11:42
-
10K
6.21 mi12:31:251:14:0111:5537:41
12:08
+0:26
15K
9.32 mi13:09:131:51:4912:0037:48
12:10
+0:02
20K
12.43 mi13:46:462:29:2212:0137:33
12:05
-0:05
Half
13.11 mi13:54:402:37:1612:007:54
11:35
-0:30
25K
15.53 mi14:22:333:05:0911:5527:53
11:30
-0:05
30K
18.64 mi14:59:563:42:3211:5637:23
12:02
+0:32
20M
20.00 mi15:15:583:58:3411:5616:02
11:48
-0:14
21M
21.00 mi15:28:094:10:4511:5612:11
12:11
+0:23
35K
21.75 mi15:37:034:19:3911:568:54
11:54
-0:17
23M
23.00 mi15:51:204:33:5611:5514:17
11:24
-0:30
24M
24.00 mi16:02:564:45:3211:5411:36
11:36
+0:12
40K
24.85 mi16:13:304:56:0611:5510:34
12:22
+0:46
25.2M
25.20 mi16:17:595:00:3511:564:29
13:00
+0:38
Finish
26.22 mi16:29:145:11:5011:5411:15
11:02
-1:58

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

11:02 /mi

Average Pace

11:54 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:06:48

79% of race

Time at Steady Pace

1:05:02

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:54 /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 mi11:53:4436:2011:4236:20
11:42
#26321
10K
6.21 mi12:31:251:14:0111:5537:41
12:08
#26351
15K
9.32 mi13:09:131:51:4912:0037:48
12:10
#26292
20K
12.43 mi13:46:462:29:2212:0137:33
12:05
#26167
Half
13.11 mi13:54:402:37:1612:007:54
11:35
#26147
25K
15.53 mi14:22:333:05:0911:5527:53
11:30
#25947
30K
18.64 mi14:59:563:42:3211:5637:23
12:02
#25736
20M
20.00 mi15:15:583:58:3411:5616:02
11:48
#25649
21M
21.00 mi15:28:094:10:4511:5612:11
12:11
#25548
35K
21.75 mi15:37:034:19:3911:568:54
11:54
#25517
23M
23.00 mi15:51:204:33:5611:5514:17
11:24
#25425
24M
24.00 mi16:02:564:45:3211:5411:36
11:36
#25388
40K
24.85 mi16:13:304:56:0611:5510:34
12:22
#25358
25.2M
25.20 mi16:17:595:00:3511:564:29
13:00
#25343
Finish
26.22 mi16:29:145:11:5011:5411:15
11:02
#25308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26321112431124326158(Top 98%)11139(Top 98%)11139(Top 228%)
10K6.21 mi3.10 mi26351-3011262-1911262-1926334(Top 99%)11253(Top 99%)11253(Top 230%)
15K9.32 mi3.11 mi26292+5911228+3411228+3426158(Top 98%)11139(Top 98%)11139(Top 228%)
20K12.43 mi3.11 mi26167+12511143+8511143+8525710(Top 97%)10894(Top 95%)10894(Top 223%)
Half13.11 mi0.68 mi26147+2011133+1011133+1025552(Top 96%)10816(Top 95%)10816(Top 221%)
25K15.53 mi2.42 mi25947+20011016+11711016+11724676(Top 93%)10329(Top 90%)10329(Top 211%)
30K18.64 mi3.11 mi25736+21110903+11310903+11324538(Top 92%)10306(Top 90%)10306(Top 211%)
20M20.00 mi1.36 mi25649+8710857+4610857+4623952(Top 90%)10058(Top 88%)10058(Top 206%)
21M21.00 mi1.00 mi25548+10110810+4710810+4723042(Top 87%)9578(Top 84%)9578(Top 196%)
35K21.75 mi0.75 mi25517+3110799+1110799+1124586(Top 92%)10448(Top 91%)10448(Top 214%)
23M23.00 mi1.25 mi25425+9210752+4710752+4723096(Top 87%)9641(Top 84%)9641(Top 197%)
24M24.00 mi1.00 mi25388+3710733+1910733+1924014(Top 90%)10172(Top 89%)10172(Top 208%)
40K24.85 mi0.85 mi25358+3010721+1210721+1224302(Top 91%)10337(Top 90%)10337(Top 212%)
25.2M25.20 mi0.35 mi25343+1510716+510716+523996(Top 90%)10186(Top 89%)10186(Top 209%)
Finish26.22 mi1.02 mi25308+3510697+1910697+1924059(Top 90%)10191(Top 89%)10191(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

26158

Females

11139

F18-39

11139

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26334

Females

11253

F18-39

11253

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

26158

Females

11139

F18-39

11139

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25710

Females

10894

F18-39

10894

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25552

Females

10816

F18-39

10816

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24676

Females

10329

F18-39

10329

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24538

Females

10306

F18-39

10306

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

23952

Females

10058

F18-39

10058

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23042

Females

9578

F18-39

9578

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24586

Females

10448

F18-39

10448

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23096

Females

9641

F18-39

9641

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

24014

Females

10172

F18-39

10172

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24302

Females

10337

F18-39

10337

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23996

Females

10186

F18-39

10186

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

24059

Females

10191

F18-39

10191

Passing Analysis

Category:
Athletes Passed
1120
Passed By
107
Net Change
+1013
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26321
5K → 10K3464-30#26321#26351
10K → 15K6910+59#26351#26292
15K → 20K1305+125#26292#26167
20K → Half200+20#26167#26147
Half → 25K2011+200#26147#25947
25K → 30K2132+211#25947#25736
30K → 20M881+87#25736#25649
20M → 21M1010+101#25649#25548
21M → 35K409+31#25548#25517
35K → 23M920+92#25517#25425
23M → 24M425+37#25425#25388
24M → 40K355+30#25388#25358
40K → 25.2M172+15#25358#25343
25.2M → Finish383+35#25343#25308
TOTALS1120107+1013
📊

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