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BOSTON MARATHON 2023

Abigail Brenc

Bib: 16553•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
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
7:27/mi
23:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:24
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:32:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:37:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:55:14
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:19:05
↑ 181↓ 1480.2%
20M
7:51/mi
2:29:45
↑ 64↓ 500.2%
21M
8:19/mi
2:38:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:25/mi
2:43:37
↑ 17↓ 861.7%
23M
7:50/mi
2:53:25
↑ 23↓ 630.6%
24M
7:35/mi
3:01:00
↓ 821.3%
40K· 24.85 mi
7:57/mi
3:07:48
↓ 200.3%
25.2M
8:45/mi
3:10:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:18:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:14
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:41:18
Pace7:44 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0923:087:2723:08
7:27
-
10K
6.21 mi11:36:1746:167:2723:08
7:27
0:00
15K
9.32 mi11:59:251:09:247:2723:08
7:27
0:00
20K
12.43 mi12:22:231:32:227:2622:58
7:24
-0:03
Half
13.11 mi12:27:151:37:147:254:52
7:08
-0:16
25K
15.53 mi12:45:151:55:147:2518:00
7:25
+0:17
30K
18.64 mi13:09:062:19:057:2823:51
7:41
+0:16
20M
20.00 mi13:19:462:29:457:2910:40
7:51
+0:10
21M
21.00 mi13:28:052:38:047:328:19
8:19
+0:28
35K
21.75 mi13:33:382:43:377:315:33
7:25
-0:54
23M
23.00 mi13:43:262:53:257:329:48
7:50
+0:25
24M
24.00 mi13:51:013:01:007:337:35
7:35
-0:15
40K
24.85 mi13:57:493:07:487:336:48
7:57
+0:22
25.2M
25.20 mi14:00:503:10:497:343:01
8:45
+0:48
Finish
26.22 mi14:08:333:18:327:357:43
7:34
-1:11

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

7:08 /mi

Average Pace

7:35 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:52

2% of race

Time at Steady Pace

2:35:04

78% of race

Time at Slower Pace

38:36

19% of race

Average Pace: 7:34 /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 mi11:13:0923:087:2723:08
7:27
#9206
10K
6.21 mi11:36:1746:167:2723:08
7:27
#9553
15K
9.32 mi11:59:251:09:247:2723:08
7:27
#9585
20K
12.43 mi12:22:231:32:227:2622:58
7:24
#9267
Half
13.11 mi12:27:151:37:147:254:52
7:08
#9145
25K
15.53 mi12:45:151:55:147:2518:00
7:25
#8962
30K
18.64 mi13:09:062:19:057:2823:51
7:41
#8841
20M
20.00 mi13:19:462:29:457:2910:40
7:51
#8853
21M
21.00 mi13:28:052:38:047:328:19
8:19
#8867
35K
21.75 mi13:33:382:43:377:315:33
7:25
#8826
23M
23.00 mi13:43:262:53:257:329:48
7:50
#8785
24M
24.00 mi13:51:013:01:007:337:35
7:35
#8730
40K
24.85 mi13:57:493:07:487:336:48
7:57
#8743
25.2M
25.20 mi14:00:503:10:497:343:01
8:45
#8765
Finish
26.22 mi14:08:333:18:327:357:43
7:34
#8750
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9206147814789741(Top 37%)1722(Top 15%)1722(Top 35%)
10K6.21 mi3.10 mi9553-3471634-1561634-15610036(Top 38%)1838(Top 16%)1838(Top 38%)
15K9.32 mi3.11 mi9585-321652-181652-189741(Top 37%)1722(Top 15%)1722(Top 35%)
20K12.43 mi3.11 mi9267+3181548+1041548+1048463(Top 32%)1285(Top 11%)1285(Top 26%)
Half13.11 mi0.68 mi9145+1221493+551493+557469(Top 28%)926(Top 8%)926(Top 19%)
25K15.53 mi2.42 mi8962+1831432+611432+618217(Top 31%)1261(Top 11%)1261(Top 26%)
30K18.64 mi3.11 mi8841+1211421+111421+118491(Top 32%)1502(Top 13%)1502(Top 31%)
20M20.00 mi1.36 mi8853-121447-261447-269237(Top 35%)1896(Top 17%)1896(Top 39%)
21M21.00 mi1.00 mi8867-141468-211468-219341(Top 35%)2066(Top 18%)2066(Top 42%)
35K21.75 mi0.75 mi8826+411466+21466+27984(Top 30%)1491(Top 13%)1491(Top 31%)
23M23.00 mi1.25 mi8785+411484-181484-188615(Top 32%)1842(Top 16%)1842(Top 38%)
24M24.00 mi1.00 mi8730+551480+41480+48304(Top 31%)1796(Top 16%)1796(Top 37%)
40K24.85 mi0.85 mi8743-131515-351515-359742(Top 37%)2518(Top 22%)2518(Top 52%)
25.2M25.20 mi0.35 mi8765-221537-221537-2211028(Top 41%)3186(Top 28%)3186(Top 65%)
Finish26.22 mi1.02 mi8750+151549-121549-129115(Top 34%)2285(Top 20%)2285(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9741

Females

1722

F18-39

1722

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10036

Females

1838

F18-39

1838

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9741

Females

1722

F18-39

1722

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8463

Females

1285

F18-39

1285

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7469

Females

926

F18-39

926

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8217

Females

1261

F18-39

1261

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8491

Females

1502

F18-39

1502

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9237

Females

1896

F18-39

1896

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9341

Females

2066

F18-39

2066

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7984

Females

1491

F18-39

1491

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8615

Females

1842

F18-39

1842

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8304

Females

1796

F18-39

1796

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9742

Females

2518

F18-39

2518

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11028

Females

3186

F18-39

3186

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9115

Females

2285

F18-39

2285

Passing Analysis

Category:
Athletes Passed
1726
Passed By
1270
Net Change
+456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9206
5K → 10K149496-347#9206#9553
10K → 15K154186-32#9553#9585
15K → 20K34224+318#9585#9267
20K → Half1231+122#9267#9145
Half → 25K20825+183#9145#8962
25K → 30K226105+121#8962#8841
30K → 20M7385-12#8841#8853
20M → 21M7488-14#8853#8867
21M → 35K6322+41#8867#8826
35K → 23M9049+41#8826#8785
23M → 24M8631+55#8785#8730
24M → 40K5770-13#8730#8743
40K → 25.2M2547-22#8743#8765
25.2M → Finish5641+15#8765#8750
TOTALS17261270+456
📊

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