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BOSTON MARATHON 2023

Nadine Hill

Bib: 12386•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 40%
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
7:54/mi
24:33
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:13:33
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:38:53
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:44:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
2:03:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:28:13
↑ 181↓ 1480.2%
20M
7:52/mi
2:38:54
↑ 64↓ 500.2%
21M
8:23/mi
2:47:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:40/mi
2:53:01
↑ 17↓ 861.7%
23M
7:39/mi
3:02:36
↑ 23↓ 630.6%
24M
7:31/mi
3:10:07
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:16:24
↓ 200.3%
25.2M
8:04/mi
3:19:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:26:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:44:12
Pace7:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:28
Pace7:49 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4224:337:5424:33
7:54
-
10K
6.21 mi11:17:1149:027:5324:29
7:53
-0:01
15K
9.32 mi11:41:421:13:337:5324:31
7:53
0:00
20K
12.43 mi12:07:021:38:537:5725:20
8:09
+0:16
Half
13.11 mi12:12:211:44:127:575:19
7:48
-0:21
25K
15.53 mi12:31:262:03:177:5619:05
7:52
+0:04
30K
18.64 mi12:56:222:28:137:5724:56
8:02
+0:10
20M
20.00 mi13:07:032:38:547:5710:41
7:52
-0:10
21M
21.00 mi13:15:262:47:177:588:23
8:23
+0:31
35K
21.75 mi13:21:102:53:017:575:44
7:40
-0:43
23M
23.00 mi13:30:453:02:367:569:35
7:39
-0:01
24M
24.00 mi13:38:163:10:077:557:31
7:31
-0:08
40K
24.85 mi13:44:333:16:247:546:17
7:21
-0:10
25.2M
25.20 mi13:47:203:19:117:542:47
8:04
+0:43
Finish
26.22 mi13:54:493:26:407:537:29
7:21
-0:43

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

7:21 /mi

Average Pace

7:53 /mi

Slowest Pace

8:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:57

84% of race

Time at Steady Pace

33:43

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:52:4224:337:5424:33
7:54
#13262
10K
6.21 mi11:17:1149:027:5324:29
7:53
#13516
15K
9.32 mi11:41:421:13:337:5324:31
7:53
#13507
20K
12.43 mi12:07:021:38:537:5725:20
8:09
#13751
Half
13.11 mi12:12:211:44:127:575:19
7:48
#13695
25K
15.53 mi12:31:262:03:177:5619:05
7:52
#13346
30K
18.64 mi12:56:222:28:137:5724:56
8:02
#12902
20M
20.00 mi13:07:032:38:547:5710:41
7:52
#12592
21M
21.00 mi13:15:262:47:177:588:23
8:23
#12370
35K
21.75 mi13:21:102:53:017:575:44
7:40
#12270
23M
23.00 mi13:30:453:02:367:569:35
7:39
#11967
24M
24.00 mi13:38:163:10:077:557:31
7:31
#11758
40K
24.85 mi13:44:333:16:247:546:17
7:21
#11505
25.2M
25.20 mi13:47:203:19:117:542:47
8:04
#11405
Finish
26.22 mi13:54:493:26:407:537:29
7:21
#11188
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132623582358213454(Top 51%)3749(Top 33%)3749(Top 77%)
10K6.21 mi3.10 mi13516-2543745-1633745-16313811(Top 52%)3927(Top 34%)3927(Top 80%)
15K9.32 mi3.11 mi13507+93755-103755-1013454(Top 51%)3749(Top 33%)3749(Top 77%)
20K12.43 mi3.11 mi13751-2443938-1833938-18314625(Top 55%)4476(Top 39%)4476(Top 92%)
Half13.11 mi0.68 mi13695+563903+353903+3512676(Top 48%)3282(Top 29%)3282(Top 67%)
25K15.53 mi2.42 mi13346+3493712+1913712+19111698(Top 44%)2891(Top 25%)2891(Top 59%)
30K18.64 mi3.11 mi12902+4443487+2253487+22511115(Top 42%)2700(Top 24%)2700(Top 55%)
20M20.00 mi1.36 mi12592+3103329+1583329+1589338(Top 35%)1957(Top 17%)1957(Top 40%)
21M21.00 mi1.00 mi12370+2223212+1173212+1179772(Top 37%)2281(Top 20%)2281(Top 47%)
35K21.75 mi0.75 mi12270+1003179+333179+339751(Top 37%)2255(Top 20%)2255(Top 46%)
23M23.00 mi1.25 mi11967+3033040+1393040+1397494(Top 28%)1381(Top 12%)1381(Top 28%)
24M24.00 mi1.00 mi11758+2092928+1122928+1127858(Top 30%)1633(Top 14%)1633(Top 33%)
40K24.85 mi0.85 mi11505+2532816+1122816+1125812(Top 22%)929(Top 8%)929(Top 19%)
25.2M25.20 mi0.35 mi11405+1002774+422774+427029(Top 26%)1452(Top 13%)1452(Top 30%)
Finish26.22 mi1.02 mi11188+2172684+902684+907441(Top 28%)1609(Top 14%)1609(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13454

Females

3749

F18-39

3749

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13811

Females

3927

F18-39

3927

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13454

Females

3749

F18-39

3749

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14625

Females

4476

F18-39

4476

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12676

Females

3282

F18-39

3282

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11698

Females

2891

F18-39

2891

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11115

Females

2700

F18-39

2700

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9338

Females

1957

F18-39

1957

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9772

Females

2281

F18-39

2281

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9751

Females

2255

F18-39

2255

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7494

Females

1381

F18-39

1381

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7858

Females

1633

F18-39

1633

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5812

Females

929

F18-39

929

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7029

Females

1452

F18-39

1452

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7441

Females

1609

F18-39

1609

Passing Analysis

Category:
Athletes Passed
3151
Passed By
1077
Net Change
+2074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13262
5K → 10K194448-254#13262#13516
10K → 15K204195+9#13516#13507
15K → 20K111355-244#13507#13751
20K → Half637+56#13751#13695
Half → 25K35910+349#13695#13346
25K → 30K47430+444#13346#12902
30K → 20M3155+310#12902#12592
20M → 21M2275+222#12592#12370
21M → 35K1077+100#12370#12270
35K → 23M3041+303#12270#11967
23M → 24M2167+209#11967#11758
24M → 40K2530+253#11758#11505
40K → 25.2M1022+100#11505#11405
25.2M → Finish2225+217#11405#11188
TOTALS31511077+2074
📊

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