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BOSTON MARATHON 2023

Hannah Grinblatas

Bib: 26169•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
33:13
Rank: #25165
Start → 5K
10:41/mi
33:13 split
10K· 6.21 mi
1:05:08
Rank: #24691 (+474)
5K → 10K
10:16/mi
31:55 split
15K· 9.32 mi
1:40:55
Rank: #25178 (-487)
10K → 15K
11:31/mi
35:47 split
20K· 12.43 mi
2:13:01
Rank: #24772 (+406)
15K → 20K
10:20/mi
32:06 split
Half· 13.11 mi
2:19:58
Rank: #24715 (+57)
20K → Half
10:11/mi
6:57 split
25K· 15.53 mi
2:44:57
Rank: #24390 (+325)
Half → 25K
10:18/mi
24:59 split
30K· 18.64 mi
3:20:29
Rank: #24268 (+122)
25K → 30K
11:26/mi
35:32 split
20M
3:34:26
Rank: #24067 (+201)
30K → 20M
10:16/mi
13:57 split
21M
3:45:47
Rank: #23954 (+113)
20M → 21M
11:21/mi
11:21 split
35K· 21.75 mi
3:53:18
Rank: #23879 (+75)
21M → 35K
10:03/mi
7:31 split
23M
4:05:54
Rank: #23719 (+160)
35K → 23M
10:04/mi
12:36 split
24M
4:17:29
Rank: #23745 (-26)
23M → 24M
11:35/mi
11:35 split
40K· 24.85 mi
4:26:49
Rank: #23685 (+60)
24M → 40K
10:55/mi
9:20 split
25.2M
4:30:46
Rank: #23660 (+25)
40K → 25.2M
11:27/mi
3:57 split
Finish· 26.22 mi
4:40:50
Rank: #23609 (+51)
25.2M → Finish
9:53/mi
10:04 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:19:58
Pace10:41 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:20:52
Pace10:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3233:1310:4133:13
10:41
-
10K
6.21 mi12:24:271:05:0810:2931:55
10:16
-0:25
15K
9.32 mi13:00:141:40:5510:5035:47
11:31
+1:15
20K
12.43 mi13:32:202:13:0110:4232:06
10:20
-1:11
Half
13.11 mi13:39:172:19:5810:416:57
10:11
-0:09
25K
15.53 mi14:04:162:44:5710:3724:59
10:18
+0:07
30K
18.64 mi14:39:483:20:2910:4535:32
11:26
+1:08
20M
20.00 mi14:53:453:34:2610:4313:57
10:16
-1:10
21M
21.00 mi15:05:063:45:4710:4511:21
11:21
+1:05
35K
21.75 mi15:12:373:53:1810:447:31
10:03
-1:18
23M
23.00 mi15:25:134:05:5410:4112:36
10:04
+0:01
24M
24.00 mi15:36:484:17:2910:4411:35
11:35
+1:31
40K
24.85 mi15:46:084:26:4910:449:20
10:55
-0:40
25.2M
25.20 mi15:50:054:30:4610:453:57
11:27
+0:32
Finish
26.22 mi16:00:094:40:5010:4310:04
9:53
-1:34

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

9:53 /mi

Average Pace

10:43 /mi

Slowest Pace

11:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:18

62% of race

Time at Steady Pace

1:47:32

38% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:43 /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 mi11:52:3233:1310:4133:13
10:41
#25165
10K
6.21 mi12:24:271:05:0810:2931:55
10:16
#24691
15K
9.32 mi13:00:141:40:5510:5035:47
11:31
#25178
20K
12.43 mi13:32:202:13:0110:4232:06
10:20
#24772
Half
13.11 mi13:39:172:19:5810:416:57
10:11
#24715
25K
15.53 mi14:04:162:44:5710:3724:59
10:18
#24390
30K
18.64 mi14:39:483:20:2910:4535:32
11:26
#24268
20M
20.00 mi14:53:453:34:2610:4313:57
10:16
#24067
21M
21.00 mi15:05:063:45:4710:4511:21
11:21
#23954
35K
21.75 mi15:12:373:53:1810:447:31
10:03
#23879
23M
23.00 mi15:25:134:05:5410:4112:36
10:04
#23719
24M
24.00 mi15:36:484:17:2910:4411:35
11:35
#23745
40K
24.85 mi15:46:084:26:4910:449:20
10:55
#23685
25.2M
25.20 mi15:50:054:30:4610:453:57
11:27
#23660
Finish
26.22 mi16:00:094:40:5010:4310:04
9:53
#23609
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25165105241052425726(Top 97%)10880(Top 95%)10880(Top 223%)
10K6.21 mi3.10 mi24691+47410259+26510259+26524254(Top 91%)10028(Top 88%)10028(Top 205%)
15K9.32 mi3.11 mi25178-48710539-28010539-28025726(Top 97%)10880(Top 95%)10880(Top 223%)
20K12.43 mi3.11 mi24772+40610326+21310326+21323534(Top 88%)9651(Top 84%)9651(Top 198%)
Half13.11 mi0.68 mi24715+5710299+2710299+2723664(Top 89%)9720(Top 85%)9720(Top 199%)
25K15.53 mi2.42 mi24390+32510126+17310126+17322859(Top 86%)9307(Top 81%)9307(Top 191%)
30K18.64 mi3.11 mi24268+12210082+4410082+4423773(Top 89%)9885(Top 87%)9885(Top 202%)
20M20.00 mi1.36 mi24067+2019973+1099973+10921197(Top 80%)8520(Top 75%)8520(Top 174%)
21M21.00 mi1.00 mi23954+1139912+619912+6121613(Top 81%)8792(Top 77%)8792(Top 180%)
35K21.75 mi0.75 mi23879+759880+329880+3221445(Top 81%)8749(Top 77%)8749(Top 179%)
23M23.00 mi1.25 mi23719+1609798+829798+8220196(Top 76%)8080(Top 71%)8080(Top 165%)
24M24.00 mi1.00 mi23745-269823-259823-2523986(Top 90%)10156(Top 89%)10156(Top 208%)
40K24.85 mi0.85 mi23685+609797+269797+2622198(Top 83%)9242(Top 81%)9242(Top 189%)
25.2M25.20 mi0.35 mi23660+259786+119786+1121511(Top 81%)8877(Top 78%)8877(Top 182%)
Finish26.22 mi1.02 mi23609+519764+229764+2221440(Top 81%)8815(Top 77%)8815(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25726

Females

10880

F18-39

10880

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24254

Females

10028

F18-39

10028

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25726

Females

10880

F18-39

10880

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23534

Females

9651

F18-39

9651

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23664

Females

9720

F18-39

9720

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

22859

Females

9307

F18-39

9307

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23773

Females

9885

F18-39

9885

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21197

Females

8520

F18-39

8520

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21613

Females

8792

F18-39

8792

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21445

Females

8749

F18-39

8749

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20196

Females

8080

F18-39

8080

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23986

Females

10156

F18-39

10156

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22198

Females

9242

F18-39

9242

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21511

Females

8877

F18-39

8877

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21440

Females

8815

F18-39

8815

Passing Analysis

Category:
Athletes Passed
2239
Passed By
683
Net Change
+1556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25165
5K → 10K51339+474#25165#24691
10K → 15K12499-487#24691#25178
15K → 20K4126+406#25178#24772
20K → Half592+57#24772#24715
Half → 25K3250+325#24715#24390
25K → 30K18260+122#24390#24268
30K → 20M2021+201#24268#24067
20M → 21M1196+113#24067#23954
21M → 35K783+75#23954#23879
35K → 23M1622+160#23879#23719
23M → 24M2450-26#23719#23745
24M → 40K655+60#23745#23685
40K → 25.2M261+25#23685#23660
25.2M → Finish609+51#23660#23609
TOTALS2239683+1556
📊

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