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BOSTON MARATHON 2023

Eryn Lambert

Bib: 16830•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
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
24:49
Rank: #13946
Start → 5K
7:59/mi
24:49 split
10K· 6.21 mi
49:14
Rank: #13771 (+175)
5K → 10K
7:52/mi
24:25 split
15K· 9.32 mi
1:14:48
Rank: #14532 (-761)
10K → 15K
8:14/mi
25:34 split
20K· 12.43 mi
1:40:07
Rank: #14532
15K → 20K
8:09/mi
25:19 split
Half· 13.11 mi
1:45:36
Rank: #14553 (-21)
20K → Half
8:02/mi
5:29 split
25K· 15.53 mi
2:05:25
Rank: #14465 (+88)
Half → 25K
8:10/mi
19:49 split
30K· 18.64 mi
2:33:32
Rank: #15053 (-588)
25K → 30K
9:03/mi
28:07 split
20M
2:45:23
Rank: #15036 (+17)
30K → 20M
8:43/mi
11:51 split
21M
2:54:41
Rank: #15011 (+25)
20M → 21M
9:18/mi
9:18 split
35K· 21.75 mi
3:01:12
Rank: #15060 (-49)
21M → 35K
8:43/mi
6:31 split
23M
3:12:12
Rank: #15030 (+30)
35K → 23M
8:47/mi
11:00 split
24M
3:20:49
Rank: #15022 (+8)
23M → 24M
8:37/mi
8:37 split
40K· 24.85 mi
3:28:04
Rank: #14925 (+97)
24M → 40K
8:29/mi
7:15 split
25.2M
3:31:25
Rank: #14935 (-10)
40K → 25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:40:00
Rank: #14953 (-18)
25.2M → Finish
8:25/mi
8:35 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:54:24
Pace8:44 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1924:497:5924:49
7:59
-
10K
6.21 mi11:39:4449:147:5524:25
7:52
-0:07
15K
9.32 mi12:05:181:14:488:0225:34
8:14
+0:22
20K
12.43 mi12:30:371:40:078:0325:19
8:09
-0:05
Half
13.11 mi12:36:061:45:368:035:29
8:02
-0:07
25K
15.53 mi12:55:552:05:258:0419:49
8:10
+0:08
30K
18.64 mi13:24:022:33:328:1428:07
9:03
+0:53
20M
20.00 mi13:35:532:45:238:1611:51
8:43
-0:20
21M
21.00 mi13:45:112:54:418:199:18
9:18
+0:35
35K
21.75 mi13:51:423:01:128:206:31
8:43
-0:35
23M
23.00 mi14:02:423:12:128:2111:00
8:47
+0:04
24M
24.00 mi14:11:193:20:498:228:37
8:37
-0:10
40K
24.85 mi14:18:343:28:048:227:15
8:29
-0:08
25.2M
25.20 mi14:21:553:31:258:233:21
9:43
+1:14
Finish
26.22 mi14:30:303:40:008:248:35
8:25
-1:18

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

7:52 /mi

Average Pace

8:24 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:51

45% of race

Time at Steady Pace

1:08:23

31% of race

Time at Slower Pace

51:46

24% of race

Average Pace: 8:23 /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 mi11:15:1924:497:5924:49
7:59
#13946
10K
6.21 mi11:39:4449:147:5524:25
7:52
#13771
15K
9.32 mi12:05:181:14:488:0225:34
8:14
#14532
20K
12.43 mi12:30:371:40:078:0325:19
8:09
#14532
Half
13.11 mi12:36:061:45:368:035:29
8:02
#14553
25K
15.53 mi12:55:552:05:258:0419:49
8:10
#14465
30K
18.64 mi13:24:022:33:328:1428:07
9:03
#15053
20M
20.00 mi13:35:532:45:238:1611:51
8:43
#15036
21M
21.00 mi13:45:112:54:418:199:18
9:18
#15011
35K
21.75 mi13:51:423:01:128:206:31
8:43
#15060
23M
23.00 mi14:02:423:12:128:2111:00
8:47
#15030
24M
24.00 mi14:11:193:20:498:228:37
8:37
#15022
40K
24.85 mi14:18:343:28:048:227:15
8:29
#14925
25.2M
25.20 mi14:21:553:31:258:233:21
9:43
#14935
Finish
26.22 mi14:30:303:40:008:248:35
8:25
#14953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139464000400016078(Top 60%)5337(Top 47%)5337(Top 109%)
10K6.21 mi3.10 mi13771+1753910+903910+9013661(Top 51%)3835(Top 34%)3835(Top 79%)
15K9.32 mi3.11 mi14532-7614370-4604370-46016078(Top 60%)5337(Top 47%)5337(Top 109%)
20K12.43 mi3.11 mi145324387-174387-1714602(Top 55%)4466(Top 39%)4466(Top 91%)
Half13.11 mi0.68 mi14553-214398-114398-1114734(Top 55%)4530(Top 40%)4530(Top 93%)
25K15.53 mi2.42 mi14465+884382+164382+1614071(Top 53%)4274(Top 37%)4274(Top 88%)
30K18.64 mi3.11 mi15053-5884787-4054787-40517437(Top 65%)6316(Top 55%)6316(Top 129%)
20M20.00 mi1.36 mi15036+174796-94796-914998(Top 56%)4987(Top 44%)4987(Top 102%)
21M21.00 mi1.00 mi15011+254802-64802-614997(Top 56%)5051(Top 44%)5051(Top 103%)
35K21.75 mi0.75 mi15060-494851-494851-4916472(Top 62%)5971(Top 52%)5971(Top 122%)
23M23.00 mi1.25 mi15030+304859-84859-814928(Top 56%)5128(Top 45%)5128(Top 105%)
24M24.00 mi1.00 mi15022+84870-114870-1115176(Top 57%)5327(Top 47%)5327(Top 109%)
40K24.85 mi0.85 mi14925+974835+354835+3513246(Top 50%)4344(Top 38%)4344(Top 89%)
25.2M25.20 mi0.35 mi14935-104848-134848-1316204(Top 61%)5971(Top 52%)5971(Top 122%)
Finish26.22 mi1.02 mi14953-184881-334881-3314911(Top 56%)5212(Top 46%)5212(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16078

Females

5337

F18-39

5337

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13661

Females

3835

F18-39

3835

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16078

Females

5337

F18-39

5337

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14602

Females

4466

F18-39

4466

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14734

Females

4530

F18-39

4530

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14071

Females

4274

F18-39

4274

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17437

Females

6316

F18-39

6316

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14998

Females

4987

F18-39

4987

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14997

Females

5051

F18-39

5051

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16472

Females

5971

F18-39

5971

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14928

Females

5128

F18-39

5128

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15176

Females

5327

F18-39

5327

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13246

Females

4344

F18-39

4344

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16204

Females

5971

F18-39

5971

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14911

Females

5212

F18-39

5212

Passing Analysis

Category:
Athletes Passed
1431
Passed By
2438
Net Change
-1007
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13946
5K → 10K381206+175#13946#13771
10K → 15K36797-761#13771#14532
15K → 20K1841840#14532#14532
20K → Half2546-21#14532#14553
Half → 25K17789+88#14553#14465
25K → 30K55643-588#14465#15053
30K → 20M9174+17#15053#15036
20M → 21M10075+25#15036#15011
21M → 35K3685-49#15011#15060
35K → 23M9060+30#15060#15030
23M → 24M5951+8#15030#15022
24M → 40K11518+97#15022#14925
40K → 25.2M2636-10#14925#14935
25.2M → Finish5674-18#14935#14953
TOTALS14312438-1007
📊

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