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BOSTON MARATHON 2023

Lori Bentley

Bib: 19458•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:29
Rank: #17720
Start → 5K
26:29 | 8:31/mi
10K· 6.21 mi
52:31
Rank: #17569 (+151)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:18:30
Rank: #17342 (+227)
10K → 15K
25:59 | 8:22/mi
20K· 12.43 mi
1:44:49
Rank: #17165 (+177)
15K → 20K
26:19 | 8:28/mi
Half· 13.11 mi
1:50:34
Rank: #17163 (+2)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:11:24
Rank: #17085 (+78)
Half → 25K
20:50 | 8:36/mi
30K· 18.64 mi
2:38:47
Rank: #16880 (+205)
25K → 30K
27:23 | 8:49/mi
20M
2:51:00
Rank: #16835 (+45)
30K → 20M
12:13 | 8:59/mi
21M
3:00:49
Rank: #16872 (-37)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:07:29
Rank: #16885 (-13)
21M → 35K
6:40 | 8:55/mi
23M
3:19:00
Rank: #16896 (-11)
35K → 23M
11:31 | 9:12/mi
24M
3:27:49
Rank: #16878 (+18)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:35:32
Rank: #16828 (+50)
24M → 40K
7:43 | 9:02/mi
25.2M
3:38:42
Rank: #16767 (+61)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:47:19
Rank: #16702 (+65)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:34
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:56:45
Pace8:54 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1326:298:3126:29
8:31
-
10K
6.21 mi11:44:1552:318:2726:02
8:23
-0:08
15K
9.32 mi12:10:141:18:308:2525:59
8:22
-0:01
20K
12.43 mi12:36:331:44:498:2626:19
8:28
+0:06
Half
13.11 mi12:42:181:50:348:265:45
8:26
-0:02
25K
15.53 mi13:03:082:11:248:2820:50
8:36
+0:10
30K
18.64 mi13:30:312:38:478:3127:23
8:49
+0:13
20M
20.00 mi13:42:442:51:008:3312:13
8:59
+0:10
21M
21.00 mi13:52:333:00:498:379:49
9:49
+0:50
35K
21.75 mi13:59:133:07:298:376:40
8:55
-0:54
23M
23.00 mi14:10:443:19:008:3911:31
9:12
+0:17
24M
24.00 mi14:19:333:27:498:408:49
8:49
-0:23
40K
24.85 mi14:27:163:35:328:407:43
9:02
+0:13
25.2M
25.20 mi14:30:263:38:428:413:10
9:11
+0:09
Finish
26.22 mi14:39:033:47:198:418:37
8:27
-0:44

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

8:22 /mi

Average Pace

8:41 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:37:30

96% of race

Time at Steady Pace

9:49

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi11:18:1326:298:3126:29
8:31
#17720
10K
6.21 mi11:44:1552:318:2726:02
8:23
#17569
15K
9.32 mi12:10:141:18:308:2525:59
8:22
#17342
20K
12.43 mi12:36:331:44:498:2626:19
8:28
#17165
Half
13.11 mi12:42:181:50:348:265:45
8:26
#17163
25K
15.53 mi13:03:082:11:248:2820:50
8:36
#17085
30K
18.64 mi13:30:312:38:478:3127:23
8:49
#16880
20M
20.00 mi13:42:442:51:008:3312:13
8:59
#16835
21M
21.00 mi13:52:333:00:498:379:49
9:49
#16872
35K
21.75 mi13:59:133:07:298:376:40
8:55
#16885
23M
23.00 mi14:10:443:19:008:3911:31
9:12
#16896
24M
24.00 mi14:19:333:27:498:408:49
8:49
#16878
40K
24.85 mi14:27:163:35:328:407:43
9:02
#16828
25.2M
25.20 mi14:30:263:38:428:413:10
9:11
#16767
Finish
26.22 mi14:39:033:47:198:418:37
8:27
#16702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi177206383638316948(Top 64%)5878(Top 51%)5878(Top 324%)
10K6.21 mi3.10 mi17569+1516266+1176266+11717462(Top 66%)6160(Top 54%)6160(Top 339%)
15K9.32 mi3.11 mi17342+2276124+1426124+14216948(Top 64%)5878(Top 51%)5878(Top 324%)
20K12.43 mi3.11 mi17165+1776024+1006024+10016682(Top 63%)5747(Top 50%)5747(Top 316%)
Half13.11 mi0.68 mi17163+26022+26022+217338(Top 65%)6084(Top 53%)6084(Top 335%)
25K15.53 mi2.42 mi17085+785995+275995+2716783(Top 63%)5883(Top 52%)5883(Top 324%)
30K18.64 mi3.11 mi16880+2055887+1085887+10816176(Top 61%)5600(Top 49%)5600(Top 308%)
20M20.00 mi1.36 mi16835+455878+95878+916501(Top 62%)5866(Top 51%)5866(Top 323%)
21M21.00 mi1.00 mi16872-375909-315909-3117334(Top 65%)6391(Top 56%)6391(Top 352%)
35K21.75 mi0.75 mi16885-135924-155924-1517513(Top 66%)6555(Top 57%)6555(Top 361%)
23M23.00 mi1.25 mi16896-115963-395963-3917061(Top 64%)6323(Top 55%)6323(Top 348%)
24M24.00 mi1.00 mi16878+185970-75970-716314(Top 61%)5977(Top 52%)5977(Top 329%)
40K24.85 mi0.85 mi16828+505962+85962+816305(Top 61%)6030(Top 53%)6030(Top 332%)
25.2M25.20 mi0.35 mi16767+615932+305932+3013647(Top 51%)4584(Top 40%)4584(Top 252%)
Finish26.22 mi1.02 mi16702+655902+305902+3015170(Top 57%)5359(Top 47%)5359(Top 295%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

16948

Females

5878

F45-49

5878

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17462

Females

6160

F45-49

6160

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

16948

Females

5878

F45-49

5878

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16682

Females

5747

F45-49

5747

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17338

Females

6084

F45-49

6084

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16783

Females

5883

F45-49

5883

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16176

Females

5600

F45-49

5600

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16501

Females

5866

F45-49

5866

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17334

Females

6391

F45-49

6391

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17513

Females

6555

F45-49

6555

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17061

Females

6323

F45-49

6323

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16314

Females

5977

F45-49

5977

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16305

Females

6030

F45-49

6030

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13647

Females

4584

F45-49

4584

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15170

Females

5359

F45-49

5359

Passing Analysis

Category:
Athletes Passed
2025
Passed By
1007
Net Change
+1018
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17720
5K → 10K386235+151#17720#17569
10K → 15K32396+227#17569#17342
15K → 20K25881+177#17342#17165
20K → Half2523+2#17165#17163
Half → 25K16082+78#17163#17085
25K → 30K27368+205#17085#16880
30K → 20M9651+45#16880#16835
20M → 21M72109-37#16835#16872
21M → 35K4356-13#16872#16885
35K → 23M8091-11#16885#16896
23M → 24M6749+18#16896#16878
24M → 40K7828+50#16878#16828
40K → 25.2M643+61#16828#16767
25.2M → Finish10035+65#16767#16702
TOTALS20251007+1018
📊

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