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BOSTON MARATHON 2023

Amber Forge

Bib: 26251•F

WI

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

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
9:35/mi
29:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
57:13
↑ 79↓ 1380.4%
15K· 9.32 mi
9:01/mi
1:25:13
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:53:54
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
2:00:10
↑ 19↓ 370.5%
25K· 15.53 mi
9:25/mi
2:22:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:35/mi
2:52:45
↑ 181↓ 1480.2%
20M
9:41/mi
3:05:54
↑ 64↓ 500.2%
21M
9:45/mi
3:15:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:22:19
↑ 17↓ 861.7%
23M
9:05/mi
3:33:41
↑ 23↓ 630.6%
24M
9:02/mi
3:42:43
↓ 821.3%
40K· 24.85 mi
9:12/mi
3:50:35
↓ 200.3%
25.2M
9:25/mi
3:53:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
4:02:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:10
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:02:19
Pace9:20 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3629:459:3529:45
9:35
-
10K
6.21 mi12:18:0457:139:1227:28
8:50
-0:45
15K
9.32 mi12:46:041:25:139:0928:00
9:01
+0:11
20K
12.43 mi13:14:451:53:549:1028:41
9:14
+0:13
Half
13.11 mi13:21:012:00:109:106:16
9:11
-0:03
25K
15.53 mi13:43:502:22:599:1222:49
9:25
+0:14
30K
18.64 mi14:13:362:52:459:1629:46
9:35
+0:10
20M
20.00 mi14:26:453:05:549:1813:09
9:41
+0:06
21M
21.00 mi14:36:303:15:399:199:45
9:45
+0:04
35K
21.75 mi14:43:103:22:199:186:40
8:55
-0:50
23M
23.00 mi14:54:323:33:419:1711:22
9:05
+0:10
24M
24.00 mi15:03:343:42:439:179:02
9:02
-0:03
40K
24.85 mi15:11:263:50:359:177:52
9:12
+0:10
25.2M
25.20 mi15:14:413:53:509:173:15
9:25
+0:13
Finish
26.22 mi15:23:204:02:299:158:39
8:29
-0:56

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

8:29 /mi

Average Pace

9:15 /mi

Slowest Pace

9:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:00

55% of race

Time at Steady Pace

1:48:29

45% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:15 /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 mi11:50:3629:459:3529:45
9:35
#22309
10K
6.21 mi12:18:0457:139:1227:28
8:50
#21424
15K
9.32 mi12:46:041:25:139:0928:00
9:01
#21189
20K
12.43 mi13:14:451:53:549:1028:41
9:14
#21054
Half
13.11 mi13:21:012:00:109:106:16
9:11
#21061
25K
15.53 mi13:43:502:22:599:1222:49
9:25
#20950
30K
18.64 mi14:13:362:52:459:1629:46
9:35
#20697
20M
20.00 mi14:26:453:05:549:1813:09
9:41
#20598
21M
21.00 mi14:36:303:15:399:199:45
9:45
#20396
35K
21.75 mi14:43:103:22:199:186:40
8:55
#20291
23M
23.00 mi14:54:323:33:419:1711:22
9:05
#20102
24M
24.00 mi15:03:343:42:439:179:02
9:02
#19996
40K
24.85 mi15:11:263:50:359:177:52
9:12
#19892
25.2M
25.20 mi15:14:413:53:509:173:15
9:25
#19810
Finish
26.22 mi15:23:204:02:299:158:39
8:29
#19688
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223099034903420563(Top 77%)7991(Top 70%)7991(Top 164%)
10K6.21 mi3.10 mi21424+8858545+4898545+48920150(Top 76%)7787(Top 68%)7787(Top 159%)
15K9.32 mi3.11 mi21189+2358382+1638382+16320563(Top 77%)7991(Top 70%)7991(Top 164%)
20K12.43 mi3.11 mi21054+1358307+758307+7520709(Top 78%)8063(Top 71%)8063(Top 165%)
Half13.11 mi0.68 mi21061-78304+38304+321113(Top 79%)8307(Top 73%)8307(Top 170%)
25K15.53 mi2.42 mi20950+1118233+718233+7120549(Top 77%)8014(Top 70%)8014(Top 164%)
30K18.64 mi3.11 mi20697+2538105+1288105+12819725(Top 74%)7604(Top 67%)7604(Top 156%)
20M20.00 mi1.36 mi20598+998075+308075+3019506(Top 73%)7574(Top 66%)7574(Top 155%)
21M21.00 mi1.00 mi20396+2027973+1027973+10217082(Top 64%)6245(Top 55%)6245(Top 128%)
35K21.75 mi0.75 mi20291+1057925+487925+4817555(Top 66%)6597(Top 58%)6597(Top 135%)
23M23.00 mi1.25 mi20102+1897827+987827+9816467(Top 62%)6011(Top 53%)6011(Top 123%)
24M24.00 mi1.00 mi19996+1067769+587769+5817415(Top 65%)6594(Top 58%)6594(Top 135%)
40K24.85 mi0.85 mi19892+1047720+497720+4917131(Top 64%)6485(Top 57%)6485(Top 133%)
25.2M25.20 mi0.35 mi19810+827675+457675+4514938(Top 56%)5296(Top 46%)5296(Top 108%)
Finish26.22 mi1.02 mi19688+1227611+647611+6415398(Top 58%)5491(Top 48%)5491(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20563

Females

7991

F18-39

7991

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

20150

Females

7787

F18-39

7787

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20563

Females

7991

F18-39

7991

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20709

Females

8063

F18-39

8063

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21113

Females

8307

F18-39

8307

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20549

Females

8014

F18-39

8014

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19725

Females

7604

F18-39

7604

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19506

Females

7574

F18-39

7574

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17082

Females

6245

F18-39

6245

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17555

Females

6597

F18-39

6597

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16467

Females

6011

F18-39

6011

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17415

Females

6594

F18-39

6594

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17131

Females

6485

F18-39

6485

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14938

Females

5296

F18-39

5296

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15398

Females

5491

F18-39

5491

Passing Analysis

Category:
Athletes Passed
2975
Passed By
354
Net Change
+2621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22309
5K → 10K90924+885#22309#21424
10K → 15K29964+235#21424#21189
15K → 20K21176+135#21189#21054
20K → Half2532-7#21054#21061
Half → 25K16352+111#21061#20950
25K → 30K29340+253#20950#20697
30K → 20M12425+99#20697#20598
20M → 21M2042+202#20598#20396
21M → 35K1127+105#20396#20291
35K → 23M1945+189#20291#20102
23M → 24M1104+106#20102#19996
24M → 40K11814+104#19996#19892
40K → 25.2M853+82#19892#19810
25.2M → Finish1286+122#19810#19688
TOTALS2975354+2621
📊

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