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BOSTON MARATHON 2023

Mary Hillabrand

Bib: 13608•F

NE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 21%
Division (F40-44)
#0 / 1878
Top 39%
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
8:10/mi
25:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
50:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:15:42
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:40:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:46:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:05:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:31:05
↑ 181↓ 1480.2%
20M
8:12/mi
2:42:13
↑ 64↓ 500.2%
21M
8:28/mi
2:50:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:56:36
↑ 17↓ 861.7%
23M
9:00/mi
3:07:52
↑ 23↓ 630.6%
24M
7:57/mi
3:15:49
↓ 821.3%
40K· 24.85 mi
8:09/mi
3:22:47
↓ 200.3%
25.2M
8:51/mi
3:25:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:34:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:48:07
Pace8:15 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0725:228:1025:22
8:10
-
10K
6.21 mi11:19:2150:368:0925:14
8:07
-0:03
15K
9.32 mi11:44:271:15:428:0725:06
8:05
-0:02
20K
12.43 mi12:09:211:40:368:0624:54
8:01
-0:04
Half
13.11 mi12:14:511:46:068:065:30
8:04
+0:03
25K
15.53 mi12:34:242:05:398:0519:33
8:04
0:00
30K
18.64 mi12:59:502:31:058:0625:26
8:11
+0:07
20M
20.00 mi13:10:582:42:138:0711:08
8:12
+0:01
21M
21.00 mi13:19:262:50:418:088:28
8:28
+0:16
35K
21.75 mi13:25:212:56:368:075:55
7:55
-0:33
23M
23.00 mi13:36:373:07:528:1011:16
9:00
+1:05
24M
24.00 mi13:44:343:15:498:107:57
7:57
-1:03
40K
24.85 mi13:51:323:22:478:106:58
8:09
+0:12
25.2M
25.20 mi13:54:353:25:508:103:03
8:51
+0:42
Finish
26.22 mi14:02:583:34:138:118:23
8:14
-0:37

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

7:55 /mi

Average Pace

8:11 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:54

93% of race

Time at Steady Pace

14:19

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi10:54:0725:228:1025:22
8:10
#15191
10K
6.21 mi11:19:2150:368:0925:14
8:07
#15416
15K
9.32 mi11:44:271:15:428:0725:06
8:05
#15269
20K
12.43 mi12:09:211:40:368:0624:54
8:01
#14828
Half
13.11 mi12:14:511:46:068:065:30
8:04
#14830
25K
15.53 mi12:34:242:05:398:0519:33
8:04
#14572
30K
18.64 mi12:59:502:31:058:0625:26
8:11
#14142
20M
20.00 mi13:10:582:42:138:0711:08
8:12
#13916
21M
21.00 mi13:19:262:50:418:088:28
8:28
#13676
35K
21.75 mi13:25:212:56:368:075:55
7:55
#13573
23M
23.00 mi13:36:373:07:528:1011:16
9:00
#13731
24M
24.00 mi13:44:343:15:498:107:57
7:57
#13570
40K
24.85 mi13:51:323:22:478:106:58
8:09
#13447
25.2M
25.20 mi13:54:353:25:508:103:03
8:51
#13395
Finish
26.22 mi14:02:583:34:138:118:23
8:14
#13407
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi151914763476315022(Top 56%)4688(Top 41%)4688(Top 250%)
10K6.21 mi3.10 mi15416-2254911-1484911-14815683(Top 59%)5066(Top 44%)5066(Top 270%)
15K9.32 mi3.11 mi15269+1474831+804831+8015022(Top 56%)4688(Top 41%)4688(Top 250%)
20K12.43 mi3.11 mi14828+4414572+2594572+25913570(Top 51%)3856(Top 34%)3856(Top 205%)
Half13.11 mi0.68 mi14830-24578-64578-614864(Top 56%)4584(Top 40%)4584(Top 244%)
25K15.53 mi2.42 mi14572+2584451+1274451+12713270(Top 50%)3791(Top 33%)3791(Top 202%)
30K18.64 mi3.11 mi14142+4304228+2234228+22312272(Top 46%)3347(Top 29%)3347(Top 178%)
20M20.00 mi1.36 mi13916+2264109+1194109+11911683(Top 44%)3113(Top 27%)3113(Top 166%)
21M21.00 mi1.00 mi13676+2403977+1323977+13210333(Top 39%)2560(Top 22%)2560(Top 136%)
35K21.75 mi0.75 mi13573+1033930+473930+4711532(Top 43%)3172(Top 28%)3172(Top 169%)
23M23.00 mi1.25 mi13731-1584062-1324062-13216071(Top 60%)5778(Top 51%)5778(Top 308%)
24M24.00 mi1.00 mi13570+1613982+803982+8010934(Top 41%)3065(Top 27%)3065(Top 163%)
40K24.85 mi0.85 mi13447+1233927+553927+5511066(Top 42%)3191(Top 28%)3191(Top 170%)
25.2M25.20 mi0.35 mi13395+523909+183909+1811671(Top 44%)3567(Top 31%)3567(Top 190%)
Finish26.22 mi1.02 mi13407-123939-303939-3013632(Top 51%)4538(Top 40%)4538(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15022

Females

4688

F40-44

4688

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15683

Females

5066

F40-44

5066

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15022

Females

4688

F40-44

4688

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13570

Females

3856

F40-44

3856

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14864

Females

4584

F40-44

4584

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13270

Females

3791

F40-44

3791

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12272

Females

3347

F40-44

3347

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11683

Females

3113

F40-44

3113

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10333

Females

2560

F40-44

2560

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11532

Females

3172

F40-44

3172

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16071

Females

5778

F40-44

5778

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10934

Females

3065

F40-44

3065

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11066

Females

3191

F40-44

3191

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11671

Females

3567

F40-44

3567

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13632

Females

4538

F40-44

4538

Passing Analysis

Category:
Athletes Passed
2786
Passed By
1002
Net Change
+1784
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15191
5K → 10K201426-225#15191#15416
10K → 15K268121+147#15416#15269
15K → 20K46625+441#15269#14828
20K → Half2830-2#14828#14830
Half → 25K29032+258#14830#14572
25K → 30K44717+430#14572#14142
30K → 20M23610+226#14142#13916
20M → 21M25010+240#13916#13676
21M → 35K1129+103#13676#13573
35K → 23M47205-158#13573#13731
23M → 24M1709+161#13731#13570
24M → 40K13411+123#13570#13447
40K → 25.2M6513+52#13447#13395
25.2M → Finish7284-12#13395#13407
TOTALS27861002+1784
📊

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