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BOSTON MARATHON 2023

Laura Therrien

Bib: 31813•F

QC

0:00
0:00
/ mi
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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

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
11:51/mi
36:48
↑ 97↓ 3451.5%
10K· 6.21 mi
11:42/mi
1:13:08
↑ 79↓ 1380.4%
15K· 9.32 mi
11:28/mi
1:48:45
↑ 67↓ 78
20K· 12.43 mi
11:39/mi
2:24:57
↑ 106↓ 860.1%
Half· 13.11 mi
11:00/mi
2:32:27
↑ 19↓ 370.5%
25K· 15.53 mi
12:03/mi
3:01:39
↑ 66↓ 880.2%
30K· 18.64 mi
11:54/mi
3:38:38
↑ 181↓ 1480.2%
20M
11:28/mi
3:54:13
↑ 64↓ 500.2%
21M
11:59/mi
4:06:12
↑ 106↓ 241.6%
35K· 21.75 mi
10:24/mi
4:13:59
↑ 17↓ 861.7%
23M
11:28/mi
4:28:21
↑ 23↓ 630.6%
24M
10:49/mi
4:39:10
↓ 821.3%
40K· 24.85 mi
11:25/mi
4:48:56
↓ 200.3%
25.2M
12:31/mi
4:53:15
↑ 13↓ 160.2%
Finish· 26.22 mi
10:34/mi
5:04:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:32:27
Pace11:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:31:34
Pace11:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0636:4811:5136:48
11:51
-
10K
6.21 mi12:32:261:13:0811:4636:20
11:42
-0:09
15K
9.32 mi13:08:031:48:4511:4035:37
11:28
-0:14
20K
12.43 mi13:44:152:24:5711:4036:12
11:39
+0:11
Half
13.11 mi13:51:452:32:2711:387:30
11:00
-0:39
25K
15.53 mi14:20:573:01:3911:4229:12
12:03
+1:03
30K
18.64 mi14:57:563:38:3811:4436:59
11:54
-0:09
20M
20.00 mi15:13:313:54:1311:4315:35
11:28
-0:26
21M
21.00 mi15:25:304:06:1211:4311:59
11:59
+0:31
35K
21.75 mi15:33:174:13:5911:417:47
10:24
-1:35
23M
23.00 mi15:47:394:28:2111:4014:22
11:28
+1:04
24M
24.00 mi15:58:284:39:1011:3810:49
10:49
-0:39
40K
24.85 mi16:08:144:48:5611:379:46
11:25
+0:36
25.2M
25.20 mi16:12:334:53:1511:384:19
12:31
+1:06
Finish
26.22 mi16:23:195:04:0111:3610:46
10:34
-1:57

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

10:24 /mi

Average Pace

11:36 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:52

12% of race

Time at Steady Pace

2:27:52

49% of race

Time at Slower Pace

1:59:17

39% of race

Average Pace: 11:36 /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 mi11:56:0636:4811:5136:48
11:51
#26380
10K
6.21 mi12:32:261:13:0811:4636:20
11:42
#26281
15K
9.32 mi13:08:031:48:4511:4035:37
11:28
#26094
20K
12.43 mi13:44:152:24:5711:4036:12
11:39
#25931
Half
13.11 mi13:51:452:32:2711:387:30
11:00
#25888
25K
15.53 mi14:20:573:01:3911:4229:12
12:03
#25781
30K
18.64 mi14:57:563:38:3811:4436:59
11:54
#25571
20M
20.00 mi15:13:313:54:1311:4315:35
11:28
#25440
21M
21.00 mi15:25:304:06:1211:4311:59
11:59
#25334
35K
21.75 mi15:33:174:13:5911:417:47
10:24
#25263
23M
23.00 mi15:47:394:28:2111:4014:22
11:28
#25185
24M
24.00 mi15:58:284:39:1011:3810:49
10:49
#25115
40K
24.85 mi16:08:144:48:5611:379:46
11:25
#25067
25.2M
25.20 mi16:12:334:53:1511:384:19
12:31
#25051
Finish
26.22 mi16:23:195:04:0111:3610:46
10:34
#25002
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26380112781127825677(Top 96%)10851(Top 95%)10851(Top 222%)
10K6.21 mi3.10 mi26281+9911216+6211216+6226099(Top 98%)11106(Top 97%)11106(Top 227%)
15K9.32 mi3.11 mi26094+18711097+11911097+11925677(Top 96%)10851(Top 95%)10851(Top 222%)
20K12.43 mi3.11 mi25931+16310992+10510992+10525421(Top 95%)10729(Top 94%)10729(Top 220%)
Half13.11 mi0.68 mi25888+4310969+2310969+2324947(Top 94%)10471(Top 92%)10471(Top 214%)
25K15.53 mi2.42 mi25781+10710919+5010919+5025197(Top 95%)10625(Top 93%)10625(Top 218%)
30K18.64 mi3.11 mi25571+21010811+10810811+10824394(Top 92%)10218(Top 89%)10218(Top 209%)
20M20.00 mi1.36 mi25440+13110749+6210749+6223489(Top 88%)9784(Top 86%)9784(Top 200%)
21M21.00 mi1.00 mi25334+10610695+5410695+5422742(Top 85%)9413(Top 82%)9413(Top 193%)
35K21.75 mi0.75 mi25263+7110658+3710658+3722222(Top 83%)9178(Top 80%)9178(Top 188%)
23M23.00 mi1.25 mi25185+7810624+3410624+3423217(Top 87%)9706(Top 85%)9706(Top 199%)
24M24.00 mi1.00 mi25115+7010593+3110593+3122707(Top 85%)9480(Top 83%)9480(Top 194%)
40K24.85 mi0.85 mi25067+4810569+2410569+2423105(Top 87%)9723(Top 85%)9723(Top 199%)
25.2M25.20 mi0.35 mi25051+1610562+710562+723346(Top 88%)9859(Top 86%)9859(Top 202%)
Finish26.22 mi1.02 mi25002+4910542+2010542+2023156(Top 87%)9726(Top 85%)9726(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25677

Females

10851

F18-39

10851

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26099

Females

11106

F18-39

11106

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25677

Females

10851

F18-39

10851

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

25421

Females

10729

F18-39

10729

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24947

Females

10471

F18-39

10471

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25197

Females

10625

F18-39

10625

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24394

Females

10218

F18-39

10218

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23489

Females

9784

F18-39

9784

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22742

Females

9413

F18-39

9413

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22222

Females

9178

F18-39

9178

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23217

Females

9706

F18-39

9706

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22707

Females

9480

F18-39

9480

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23105

Females

9723

F18-39

9723

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23346

Females

9859

F18-39

9859

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23156

Females

9726

F18-39

9726

Passing Analysis

Category:
Athletes Passed
1422
Passed By
44
Net Change
+1378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26380
5K → 10K11112+99#26380#26281
10K → 15K1881+187#26281#26094
15K → 20K1718+163#26094#25931
20K → Half430+43#25931#25888
Half → 25K1136+107#25888#25781
25K → 30K2144+210#25781#25571
30K → 20M1310+131#25571#25440
20M → 21M1071+106#25440#25334
21M → 35K721+71#25334#25263
35K → 23M857+78#25263#25185
23M → 24M711+70#25185#25115
24M → 40K491+48#25115#25067
40K → 25.2M171+16#25067#25051
25.2M → Finish501+49#25051#25002
TOTALS142244+1378
📊

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