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BOSTON MARATHON 2023

Helen Bresler

Bib: 17367•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F40-44)
#0 / 1878
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13349
Start → 5K
24:35 | 7:55/mi
10K· 6.21 mi
48:11
Rank: #12309 (+1040)
5K → 10K
23:36 | 7:36/mi
15K· 9.32 mi
1:11:13
Rank: #11295 (+1014)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:34:18
Rank: #10599 (+696)
15K → 20K
23:05 | 7:26/mi
Half· 13.11 mi
1:39:18
Rank: #10489 (+110)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:57:22
Rank: #10094 (+395)
Half → 25K
18:04 | 7:27/mi
30K· 18.64 mi
2:20:13
Rank: #9330 (+764)
25K → 30K
22:51 | 7:21/mi
20M
2:30:11
Rank: #9022 (+308)
30K → 20M
9:58 | 7:20/mi
21M
2:37:49
Rank: #8762 (+260)
20M → 21M
7:38 | 7:38/mi
35K· 21.75 mi
2:43:08
Rank: #8645 (+117)
21M → 35K
5:19 | 7:06/mi
23M
2:52:14
Rank: #8379 (+266)
35K → 23M
9:06 | 7:16/mi
24M
2:59:17
Rank: #8165 (+214)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
3:05:30
Rank: #8015 (+150)
24M → 40K
6:13 | 7:16/mi
25.2M
3:08:11
Rank: #7956 (+59)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:15:19
Rank: #7829 (+127)
25.2M → Finish
7:08 | 7:00/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:18
Pace7:34 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:36:01
Pace7:19 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2224:357:5524:35
7:55
-
10K
6.21 mi11:38:5848:117:4523:36
7:36
-0:19
15K
9.32 mi12:02:001:11:137:3823:02
7:25
-0:11
20K
12.43 mi12:25:051:34:187:3523:05
7:26
+0:01
Half
13.11 mi12:30:051:39:187:345:00
7:20
-0:06
25K
15.53 mi12:48:091:57:227:3318:04
7:27
+0:07
30K
18.64 mi13:11:002:20:137:3122:51
7:21
-0:06
20M
20.00 mi13:20:582:30:117:319:58
7:20
-0:01
21M
21.00 mi13:28:362:37:497:317:38
7:38
+0:18
35K
21.75 mi13:33:552:43:087:305:19
7:06
-0:32
23M
23.00 mi13:43:012:52:147:299:06
7:16
+0:10
24M
24.00 mi13:50:042:59:177:287:03
7:03
-0:13
40K
24.85 mi13:56:173:05:307:286:13
7:16
+0:13
25.2M
25.20 mi13:58:583:08:117:282:41
7:47
+0:31
Finish
26.22 mi14:06:063:15:197:277:08
7:00
-0:47

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

7:00 /mi

Average Pace

7:27 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:03

86% of race

Time at Steady Pace

27:16

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi11:15:2224:357:5524:35
7:55
#13349
10K
6.21 mi11:38:5848:117:4523:36
7:36
#12309
15K
9.32 mi12:02:001:11:137:3823:02
7:25
#11295
20K
12.43 mi12:25:051:34:187:3523:05
7:26
#10599
Half
13.11 mi12:30:051:39:187:345:00
7:20
#10489
25K
15.53 mi12:48:091:57:227:3318:04
7:27
#10094
30K
18.64 mi13:11:002:20:137:3122:51
7:21
#9330
20M
20.00 mi13:20:582:30:117:319:58
7:20
#9022
21M
21.00 mi13:28:362:37:497:317:38
7:38
#8762
35K
21.75 mi13:33:552:43:087:305:19
7:06
#8645
23M
23.00 mi13:43:012:52:147:299:06
7:16
#8379
24M
24.00 mi13:50:042:59:177:287:03
7:03
#8165
40K
24.85 mi13:56:173:05:307:286:13
7:16
#8015
25.2M
25.20 mi13:58:583:08:117:282:41
7:47
#7956
Finish
26.22 mi14:06:063:15:197:277:08
7:00
#7829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi13349363436349459(Top 36%)1601(Top 14%)1601(Top 85%)
10K6.21 mi3.10 mi12309+10403039+5953039+59511296(Top 42%)2486(Top 22%)2486(Top 132%)
15K9.32 mi3.11 mi11295+10142487+5522487+5529459(Top 36%)1601(Top 14%)1601(Top 85%)
20K12.43 mi3.11 mi10599+6962123+3642123+3648757(Top 33%)1394(Top 12%)1394(Top 74%)
Half13.11 mi0.68 mi10489+1102062+612062+618860(Top 33%)1410(Top 12%)1410(Top 75%)
25K15.53 mi2.42 mi10094+3951898+1641898+1648430(Top 32%)1334(Top 12%)1334(Top 71%)
30K18.64 mi3.11 mi9330+7641618+2801618+2806354(Top 24%)727(Top 6%)727(Top 39%)
20M20.00 mi1.36 mi9022+3081513+1051513+1055858(Top 22%)673(Top 6%)673(Top 36%)
21M21.00 mi1.00 mi8762+2601428+851428+855311(Top 20%)620(Top 5%)620(Top 33%)
35K21.75 mi0.75 mi8645+1171399+291399+296007(Top 23%)777(Top 7%)777(Top 41%)
23M23.00 mi1.25 mi8379+2661322+771322+775177(Top 19%)586(Top 5%)586(Top 31%)
24M24.00 mi1.00 mi8165+2141266+561266+564964(Top 19%)574(Top 5%)574(Top 31%)
40K24.85 mi0.85 mi8015+1501231+351231+355300(Top 20%)759(Top 7%)759(Top 40%)
25.2M25.20 mi0.35 mi7956+591214+171214+175374(Top 20%)866(Top 8%)866(Top 46%)
Finish26.22 mi1.02 mi7829+1271190+241190+245247(Top 20%)807(Top 7%)807(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9459

Females

1601

F40-44

1601

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11296

Females

2486

F40-44

2486

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9459

Females

1601

F40-44

1601

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8757

Females

1394

F40-44

1394

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8860

Females

1410

F40-44

1410

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8430

Females

1334

F40-44

1334

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6354

Females

727

F40-44

727

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5858

Females

673

F40-44

673

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5311

Females

620

F40-44

620

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6007

Females

777

F40-44

777

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5177

Females

586

F40-44

586

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4964

Females

574

F40-44

574

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5300

Females

759

F40-44

759

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5374

Females

866

F40-44

866

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5247

Females

807

F40-44

807

Passing Analysis

Category:
Athletes Passed
5631*
Passed By
111
Net Change
+5520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13349
5K → 10K110666+1040#13349#12309
10K → 15K10184+1014#12309#11295
15K → 20K6982+696#11295#10599
20K → Half1144+110#10599#10489
Half → 25K40510+395#10489#10094
25K → 30K764*0+764#10094#9330
30K → 20M3091+308#9330#9022
20M → 21M2622+260#9022#8762
21M → 35K1181+117#8762#8645
35K → 23M2682+266#8645#8379
23M → 24M2151+214#8379#8165
24M → 40K1588+150#8165#8015
40K → 25.2M634+59#8015#7956
25.2M → Finish1336+127#7956#7829
TOTALS5631*111+5520

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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