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BOSTON MARATHON 2023

Lauren Park

Bib: 12560•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Division (F18-39)
#0 / 4884
Top 32%
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
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:40/mi
1:11:38
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:35:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:40:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:59:37
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:24:33
↑ 181↓ 1480.2%
20M
7:56/mi
2:35:20
↑ 64↓ 500.2%
21M
8:33/mi
2:43:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:34/mi
2:49:33
↑ 17↓ 861.7%
23M
7:38/mi
2:59:07
↑ 23↓ 630.6%
24M
7:16/mi
3:06:23
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:12:40
↓ 200.3%
25.2M
7:50/mi
3:15:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:15/mi
3:22:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:46
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:41:59
Pace7:47 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5523:497:4023:49
7:40
-
10K
6.21 mi11:15:5447:487:4223:59
7:43
+0:03
15K
9.32 mi11:39:441:11:387:4123:50
7:40
-0:03
20K
12.43 mi12:03:341:35:287:4123:50
7:40
0:00
Half
13.11 mi12:08:521:40:467:415:18
7:46
+0:06
25K
15.53 mi12:27:431:59:377:4218:51
7:46
0:00
30K
18.64 mi12:52:392:24:337:4524:56
8:02
+0:16
20M
20.00 mi13:03:262:35:207:4610:47
7:56
-0:06
21M
21.00 mi13:11:592:43:537:488:33
8:33
+0:37
35K
21.75 mi13:17:392:49:337:485:40
7:34
-0:59
23M
23.00 mi13:27:132:59:077:479:34
7:38
+0:04
24M
24.00 mi13:34:293:06:237:467:16
7:16
-0:22
40K
24.85 mi13:40:463:12:407:456:17
7:21
+0:05
25.2M
25.20 mi13:43:283:15:227:452:42
7:50
+0:29
Finish
26.22 mi13:50:513:22:457:447:23
7:15
-0:35

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

7:15 /mi

Average Pace

7:44 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:16

83% of race

Time at Steady Pace

33:29

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:51:5523:497:4023:49
7:40
#11164
10K
6.21 mi11:15:5447:487:4223:59
7:43
#11735
15K
9.32 mi11:39:441:11:387:4123:50
7:40
#11664
20K
12.43 mi12:03:341:35:287:4123:50
7:40
#11365
Half
13.11 mi12:08:521:40:467:415:18
7:46
#11429
25K
15.53 mi12:27:431:59:377:4218:51
7:46
#11298
30K
18.64 mi12:52:392:24:337:4524:56
8:02
#11202
20M
20.00 mi13:03:262:35:207:4610:47
7:56
#11071
21M
21.00 mi13:11:592:43:537:488:33
8:33
#11039
35K
21.75 mi13:17:392:49:337:485:40
7:34
#10939
23M
23.00 mi13:27:132:59:077:479:34
7:38
#10702
24M
24.00 mi13:34:293:06:237:467:16
7:16
#10471
40K
24.85 mi13:40:463:12:407:456:17
7:21
#10241
25.2M
25.20 mi13:43:283:15:227:452:42
7:50
#10149
Finish
26.22 mi13:50:513:22:457:447:23
7:15
#9975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi111642411241111601(Top 44%)2680(Top 23%)2680(Top 55%)
10K6.21 mi3.10 mi11735-5712722-3112722-31112436(Top 47%)3107(Top 27%)3107(Top 64%)
15K9.32 mi3.11 mi11664+712699+232699+2311601(Top 44%)2680(Top 23%)2680(Top 55%)
20K12.43 mi3.11 mi11365+2992533+1662533+16610690(Top 40%)2251(Top 20%)2251(Top 46%)
Half13.11 mi0.68 mi11429-642579-462579-4612451(Top 47%)3154(Top 28%)3154(Top 65%)
25K15.53 mi2.42 mi11298+1312530+492530+4910903(Top 41%)2432(Top 21%)2432(Top 50%)
30K18.64 mi3.11 mi11202+962531-12531-111110(Top 42%)2695(Top 24%)2695(Top 55%)
20M20.00 mi1.36 mi11071+1312475+562475+569811(Top 37%)2153(Top 19%)2153(Top 44%)
21M21.00 mi1.00 mi11039+322481-62481-610774(Top 40%)2753(Top 24%)2753(Top 56%)
35K21.75 mi0.75 mi10939+1002443+382443+389130(Top 34%)1980(Top 17%)1980(Top 41%)
23M23.00 mi1.25 mi10702+2372358+852358+857405(Top 28%)1347(Top 12%)1347(Top 28%)
24M24.00 mi1.00 mi10471+2312267+912267+916205(Top 23%)997(Top 9%)997(Top 20%)
40K24.85 mi0.85 mi10241+2302168+992168+995806(Top 22%)923(Top 8%)923(Top 19%)
25.2M25.20 mi0.35 mi10149+922136+322136+325654(Top 21%)967(Top 8%)967(Top 20%)
Finish26.22 mi1.02 mi9975+1742082+542082+546761(Top 25%)1338(Top 12%)1338(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11601

Females

2680

F18-39

2680

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12436

Females

3107

F18-39

3107

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11601

Females

2680

F18-39

2680

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10690

Females

2251

F18-39

2251

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12451

Females

3154

F18-39

3154

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10903

Females

2432

F18-39

2432

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11110

Females

2695

F18-39

2695

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9811

Females

2153

F18-39

2153

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10774

Females

2753

F18-39

2753

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9130

Females

1980

F18-39

1980

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7405

Females

1347

F18-39

1347

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6205

Females

997

F18-39

997

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5806

Females

923

F18-39

923

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5654

Females

967

F18-39

967

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6761

Females

1338

F18-39

1338

Passing Analysis

Category:
Athletes Passed
2460*
Passed By
1271
Net Change
+1189
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11164
5K → 10K116687-571#11164#11735
10K → 15K221150+71#11735#11664
15K → 20K33839+299#11664#11365
20K → Half1680-64#11365#11429
Half → 25K18554+131#11429#11298
25K → 30K229133+96#11298#11202
30K → 20M157*26+131#11202#11071
20M → 21M9462+32#11071#11039
21M → 35K1099+100#11039#10939
35K → 23M2469+237#10939#10702
23M → 24M2321+231#10702#10471
24M → 40K2333+230#10471#10241
40K → 25.2M96*4+92#10241#10149
25.2M → Finish188*14+174#10149#9975
TOTALS2460*1271+1189

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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