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BOSTON MARATHON 2023

Emily Mills

Bib: 17497 F GB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:25/mi
23:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:13/mi
45:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:15/mi
1:08:02
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:28/mi
1:31:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:17/mi
1:36:12
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:30/mi
1:54:23
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:46/mi
2:18:32
↑ 181↓ 1480.2%
138 ft elev
20M
7:50/mi
2:29:11
↑ 64↓ 500.2%
148 ft elev
21M
8:24/mi
2:37:35
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:32/mi
2:43:13
↑ 17↓ 861.7%
156 ft elev
23M
7:50/mi
2:53:02
↑ 23↓ 630.6%
116 ft elev
24M
7:33/mi
3:00:35
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:47/mi
3:07:14
↓ 200.3%
20 ft elev
25.2M
8:22/mi
3:10:07
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:31/mi
3:17:47
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:12
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:41:35
Pace7:45 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:3323:047:2523:04
7:25
-
10K
6.21 mi11:35:5945:307:1922:26
7:13
-0:12
15K
9.32 mi11:58:311:08:027:1822:32
7:15
+0:02
20K
12.43 mi12:21:431:31:147:2023:12
7:28
+0:13
Half
13.11 mi12:26:411:36:127:204:58
7:17
-0:11
25K
15.53 mi12:44:521:54:237:2218:11
7:30
+0:13
30K
18.64 mi13:09:012:18:327:2624:09
7:46
+0:16
20M
20.00 mi13:19:402:29:117:2810:39
7:50
+0:04
21M
21.00 mi13:28:042:37:357:308:24
8:24
+0:34
35K
21.75 mi13:33:422:43:137:305:38
7:32
-0:52
23M
23.00 mi13:43:312:53:027:319:49
7:50
+0:18
24M
24.00 mi13:51:043:00:357:317:33
7:33
-0:17
40K
24.85 mi13:57:433:07:147:326:39
7:47
+0:14
25.2M
25.20 mi14:00:363:10:077:332:53
8:22
+0:35
Finish
26.22 mi14:08:163:17:477:337:40
7:31
-0:51

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

7:13 /mi

Average Pace

7:33 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:30

94% of race

Time at Steady Pace

11:17

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:33 /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 mi11:13:3323:047:2523:04
7:25
#9040
10K
6.21 mi11:35:5945:307:1922:26
7:13
#8604
15K
9.32 mi11:58:311:08:027:1822:32
7:15
#8461
20K
12.43 mi12:21:431:31:147:2023:12
7:28
#8564
Half
13.11 mi12:26:411:36:127:204:58
7:17
#8561
25K
15.53 mi12:44:521:54:237:2218:11
7:30
#8543
30K
18.64 mi13:09:012:18:327:2624:09
7:46
#8622
20M
20.00 mi13:19:402:29:117:2810:39
7:50
#8630
21M
21.00 mi13:28:042:37:357:308:24
8:24
#8678
35K
21.75 mi13:33:422:43:137:305:38
7:32
#8673
23M
23.00 mi13:43:312:53:027:319:49
7:50
#8650
24M
24.00 mi13:51:043:00:357:317:33
7:33
#8600
40K
24.85 mi13:57:433:07:147:326:39
7:47
#8580
25.2M
25.20 mi14:00:363:10:077:332:53
8:22
#8571
Finish
26.22 mi14:08:163:17:477:337:40
7:31
#8548
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9040140614068200(Top 31%)1145(Top 10%)1145(Top 23%)
10K6.21 mi3.10 mi8604+4361259+1471259+1478274(Top 31%)1137(Top 10%)1137(Top 23%)
15K9.32 mi3.11 mi8461+1431204+551204+558200(Top 31%)1145(Top 10%)1145(Top 23%)
20K12.43 mi3.11 mi8564-1031266-621266-629061(Top 34%)1513(Top 13%)1513(Top 31%)
Half13.11 mi0.68 mi8561+31259+71259+78511(Top 32%)1290(Top 11%)1290(Top 26%)
25K15.53 mi2.42 mi8543+181279-201279-208797(Top 33%)1476(Top 13%)1476(Top 30%)
30K18.64 mi3.11 mi8622-791346-671346-679161(Top 34%)1781(Top 16%)1781(Top 36%)
20M20.00 mi1.36 mi8630-81364-181364-189156(Top 34%)1859(Top 16%)1859(Top 38%)
21M21.00 mi1.00 mi8678-481403-391403-399861(Top 37%)2307(Top 20%)2307(Top 47%)
35K21.75 mi0.75 mi8673+51413-101413-108762(Top 33%)1795(Top 16%)1795(Top 37%)
23M23.00 mi1.25 mi8650+231427-141427-148696(Top 33%)1879(Top 16%)1879(Top 38%)
24M24.00 mi1.00 mi8600+50142714278068(Top 30%)1701(Top 15%)1701(Top 35%)
40K24.85 mi0.85 mi8580+201440-131440-138552(Top 32%)1954(Top 17%)1954(Top 40%)
25.2M25.20 mi0.35 mi8571+91444-41444-48708(Top 33%)2111(Top 18%)2111(Top 43%)
Finish26.22 mi1.02 mi8548+231460-161460-168745(Top 33%)2125(Top 19%)2125(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8200

Females

1145

F18-39

1145

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8274

Females

1137

F18-39

1137

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8200

Females

1145

F18-39

1145

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9061

Females

1513

F18-39

1513

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8511

Females

1290

F18-39

1290

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8797

Females

1476

F18-39

1476

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9161

Females

1781

F18-39

1781

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9156

Females

1859

F18-39

1859

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9861

Females

2307

F18-39

2307

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8762

Females

1795

F18-39

1795

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8696

Females

1879

F18-39

1879

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8068

Females

1701

F18-39

1701

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8552

Females

1954

F18-39

1954

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8708

Females

2111

F18-39

2111

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8745

Females

2125

F18-39

2125

Passing Analysis

Category:
Athletes Passed
1640
Passed By
1148
Net Change
+492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9040
5K → 10K53094+436#9040#8604
10K → 15K21269+143#8604#8461
15K → 20K107210-103#8461#8564
20K → Half2623+3#8564#8561
Half → 25K10082+18#8561#8543
25K → 30K145224-79#8543#8622
30K → 20M7482-8#8622#8630
20M → 21M55103-48#8630#8678
21M → 35K4944+5#8678#8673
35K → 23M8562+23#8673#8650
23M → 24M9242+50#8650#8600
24M → 40K6040+20#8600#8580
40K → 25.2M3425+9#8580#8571
25.2M → Finish7148+23#8571#8548
TOTALS16401148+492
📊

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