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BOSTON MARATHON 2023

Laura Agreda

Bib: 19305•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Division (F18-39)
#0 / 4884
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
8:36/mi
26:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
52:56
↑ 79↓ 1380.4%
15K· 9.32 mi
8:29/mi
1:19:17
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:45:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:51:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:11:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:39:01
↑ 181↓ 1480.2%
20M
8:35/mi
2:50:41
↑ 64↓ 500.2%
21M
9:10/mi
2:59:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:06:08
↑ 17↓ 861.7%
23M
8:30/mi
3:16:46
↑ 23↓ 630.6%
24M
8:19/mi
3:25:05
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:32:15
↓ 200.3%
25.2M
8:33/mi
3:35:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:43:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:51:26
Pace8:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1826:448:3626:44
8:36
-
10K
6.21 mi11:44:3052:568:3126:12
8:26
-0:10
15K
9.32 mi12:10:511:19:178:3026:21
8:29
+0:03
20K
12.43 mi12:37:191:45:458:3126:28
8:31
+0:02
Half
13.11 mi12:43:001:51:268:305:41
8:20
-0:11
25K
15.53 mi13:03:312:11:578:3020:31
8:28
+0:08
30K
18.64 mi13:30:352:39:018:3227:04
8:43
+0:15
20M
20.00 mi13:42:152:50:418:3211:40
8:35
-0:08
21M
21.00 mi13:51:252:59:518:349:10
9:10
+0:35
35K
21.75 mi13:57:423:06:088:346:17
8:24
-0:46
23M
23.00 mi14:08:203:16:468:3310:38
8:30
+0:06
24M
24.00 mi14:16:393:25:058:338:19
8:19
-0:11
40K
24.85 mi14:23:493:32:158:327:10
8:23
+0:04
25.2M
25.20 mi14:26:463:35:128:322:57
8:33
+0:10
Finish
26.22 mi14:34:483:43:148:318:02
7:53
-0:40

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

7:53 /mi

Average Pace

8:31 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:00

84% of race

Time at Steady Pace

36:14

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:31 /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 mi11:18:1826:448:3626:44
8:36
#18263
10K
6.21 mi11:44:3052:568:3126:12
8:26
#18016
15K
9.32 mi12:10:511:19:178:3026:21
8:29
#17891
20K
12.43 mi12:37:191:45:458:3126:28
8:31
#17631
Half
13.11 mi12:43:001:51:268:305:41
8:20
#17566
25K
15.53 mi13:03:312:11:578:3020:31
8:28
#17282
30K
18.64 mi13:30:352:39:018:3227:04
8:43
#16950
20M
20.00 mi13:42:152:50:418:3211:40
8:35
#16742
21M
21.00 mi13:51:252:59:518:349:10
9:10
#16574
35K
21.75 mi13:57:423:06:088:346:17
8:24
#16503
23M
23.00 mi14:08:203:16:468:3310:38
8:30
#16312
24M
24.00 mi14:16:393:25:058:338:19
8:19
#16150
40K
24.85 mi14:23:493:32:158:327:10
8:23
#16014
25.2M
25.20 mi14:26:463:35:128:322:57
8:33
#15908
Finish
26.22 mi14:34:483:43:148:318:02
7:53
#15729
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182636714671417682(Top 66%)6317(Top 55%)6317(Top 129%)
10K6.21 mi3.10 mi18016+2476542+1726542+17217818(Top 67%)6379(Top 56%)6379(Top 131%)
15K9.32 mi3.11 mi17891+1256456+866456+8617682(Top 66%)6317(Top 55%)6317(Top 129%)
20K12.43 mi3.11 mi17631+2606294+1626294+16216978(Top 64%)5912(Top 52%)5912(Top 121%)
Half13.11 mi0.68 mi17566+656260+346260+3416694(Top 63%)5705(Top 50%)5705(Top 117%)
25K15.53 mi2.42 mi17282+2846106+1546106+15415980(Top 60%)5431(Top 48%)5431(Top 111%)
30K18.64 mi3.11 mi16950+3325931+1755931+17515577(Top 59%)5259(Top 46%)5259(Top 108%)
20M20.00 mi1.36 mi16742+2085833+985833+9814207(Top 53%)4549(Top 40%)4549(Top 93%)
21M21.00 mi1.00 mi16574+1685751+825751+8214338(Top 54%)4686(Top 41%)4686(Top 96%)
35K21.75 mi0.75 mi16503+715719+325719+3214764(Top 55%)4978(Top 44%)4978(Top 102%)
23M23.00 mi1.25 mi16312+1915619+1005619+10013215(Top 50%)4200(Top 37%)4200(Top 86%)
24M24.00 mi1.00 mi16150+1625543+765543+7613367(Top 50%)4325(Top 38%)4325(Top 89%)
40K24.85 mi0.85 mi16014+1365483+605483+6012646(Top 48%)4038(Top 35%)4038(Top 83%)
25.2M25.20 mi0.35 mi15908+1065431+525431+5210022(Top 38%)2738(Top 24%)2738(Top 56%)
Finish26.22 mi1.02 mi15729+1795330+1015330+10111340(Top 43%)3378(Top 30%)3378(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17682

Females

6317

F18-39

6317

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17818

Females

6379

F18-39

6379

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17682

Females

6317

F18-39

6317

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16978

Females

5912

F18-39

5912

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16694

Females

5705

F18-39

5705

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15980

Females

5431

F18-39

5431

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15577

Females

5259

F18-39

5259

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14207

Females

4549

F18-39

4549

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14338

Females

4686

F18-39

4686

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14764

Females

4978

F18-39

4978

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13215

Females

4200

F18-39

4200

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13367

Females

4325

F18-39

4325

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12646

Females

4038

F18-39

4038

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10022

Females

2738

F18-39

2738

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11340

Females

3378

F18-39

3378

Passing Analysis

Category:
Athletes Passed
3060
Passed By
526
Net Change
+2534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18263
5K → 10K460213+247#18263#18016
10K → 15K252127+125#18016#17891
15K → 20K32464+260#17891#17631
20K → Half738+65#17631#17566
Half → 25K2928+284#17566#17282
25K → 30K36735+332#17282#16950
30K → 20M2146+208#16950#16742
20M → 21M18719+168#16742#16574
21M → 35K8615+71#16574#16503
35K → 23M1998+191#16503#16312
23M → 24M17311+162#16312#16150
24M → 40K1437+136#16150#16014
40K → 25.2M1060+106#16014#15908
25.2M → Finish1845+179#15908#15729
TOTALS3060526+2534
📊

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