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BOSTON MARATHON 2023

Carol Geddes

Bib: 16313•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Masters (Masters Women)
#0 / 6539
Top 4%
Division (F40-44)
#0 / 1878
Top 8%
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
7:09/mi
22:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:02/mi
44:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:06:29
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:29:17
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:52:17
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:15:58
↑ 181↓ 1480.2%
20M
7:44/mi
2:26:28
↑ 64↓ 500.2%
21M
7:54/mi
2:34:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:54/mi
2:40:16
↑ 17↓ 861.7%
23M
7:58/mi
2:50:14
↑ 23↓ 630.6%
24M
7:41/mi
2:57:55
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:04:42
↓ 200.3%
25.2M
8:36/mi
3:07:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:15:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:08
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:41:22
Pace7:44 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:2622:137:0922:13
7:09
-
10K
6.21 mi11:34:1844:057:0621:52
7:02
-0:07
15K
9.32 mi11:56:421:06:297:0822:24
7:13
+0:11
20K
12.43 mi12:19:301:29:177:1122:48
7:20
+0:07
Half
13.11 mi12:24:211:34:087:114:51
7:07
-0:13
25K
15.53 mi12:42:301:52:177:1418:09
7:29
+0:22
30K
18.64 mi13:06:112:15:587:1823:41
7:37
+0:08
20M
20.00 mi13:16:412:26:287:1910:30
7:44
+0:07
21M
21.00 mi13:24:352:34:227:217:54
7:54
+0:10
35K
21.75 mi13:30:292:40:167:225:54
7:54
0:00
23M
23.00 mi13:40:272:50:147:249:58
7:58
+0:04
24M
24.00 mi13:48:082:57:557:257:41
7:41
-0:17
40K
24.85 mi13:54:553:04:427:266:47
7:56
+0:15
25.2M
25.20 mi13:57:533:07:407:272:58
8:36
+0:40
Finish
26.22 mi14:05:433:15:307:287:50
7:41
-0:55

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

7:02 /mi

Average Pace

7:28 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:08

48% of race

Time at Steady Pace

1:07:51

35% of race

Time at Slower Pace

33:31

17% of race

Average Pace: 7:27 /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 mi11:12:2622:137:0922:13
7:09
#7204
10K
6.21 mi11:34:1844:057:0621:52
7:02
#7077
15K
9.32 mi11:56:421:06:297:0822:24
7:13
#7319
20K
12.43 mi12:19:301:29:177:1122:48
7:20
#7435
Half
13.11 mi12:24:211:34:087:114:51
7:07
#7419
25K
15.53 mi12:42:301:52:177:1418:09
7:29
#7571
30K
18.64 mi13:06:112:15:587:1823:41
7:37
#7606
20M
20.00 mi13:16:412:26:287:1910:30
7:44
#7615
21M
21.00 mi13:24:352:34:227:217:54
7:54
#7528
35K
21.75 mi13:30:292:40:167:225:54
7:54
#7626
23M
23.00 mi13:40:272:50:147:249:58
7:58
#7695
24M
24.00 mi13:48:082:57:557:257:41
7:41
#7730
40K
24.85 mi13:54:553:04:427:266:47
7:56
#7791
25.2M
25.20 mi13:57:533:07:407:272:58
8:36
#7834
Finish
26.22 mi14:05:433:15:307:287:50
7:41
#7869
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi72047697697874(Top 30%)1029(Top 9%)1029(Top 55%)
10K6.21 mi3.10 mi7077+127754+15754+157076(Top 27%)773(Top 7%)773(Top 41%)
15K9.32 mi3.11 mi7319-242820-66820-667874(Top 30%)1029(Top 9%)1029(Top 55%)
20K12.43 mi3.11 mi7435-116865-45865-458085(Top 30%)1131(Top 10%)1131(Top 60%)
Half13.11 mi0.68 mi7419+16859+6859+67295(Top 27%)861(Top 8%)861(Top 46%)
25K15.53 mi2.42 mi7571-152917-58917-588688(Top 33%)1417(Top 12%)1417(Top 75%)
30K18.64 mi3.11 mi7606-35967-50967-508121(Top 31%)1352(Top 12%)1352(Top 72%)
20M20.00 mi1.36 mi7615-9997-30997-308381(Top 31%)1545(Top 14%)1545(Top 82%)
21M21.00 mi1.00 mi7528+87984+13984+136682(Top 25%)1024(Top 9%)1024(Top 55%)
35K21.75 mi0.75 mi7626-981020-361020-3611389(Top 43%)3094(Top 27%)3094(Top 165%)
23M23.00 mi1.25 mi7695-691065-451065-459487(Top 36%)2252(Top 20%)2252(Top 120%)
24M24.00 mi1.00 mi7730-351107-421107-428989(Top 34%)2083(Top 18%)2083(Top 111%)
40K24.85 mi0.85 mi7791-611147-401147-409603(Top 36%)2448(Top 21%)2448(Top 130%)
25.2M25.20 mi0.35 mi7834-431169-221169-2210181(Top 38%)2761(Top 24%)2761(Top 147%)
Finish26.22 mi1.02 mi7869-351206-371206-379900(Top 37%)2647(Top 23%)2647(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7874

Females

1029

F40-44

1029

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7076

Females

773

F40-44

773

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7874

Females

1029

F40-44

1029

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8085

Females

1131

F40-44

1131

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7295

Females

861

F40-44

861

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8688

Females

1417

F40-44

1417

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8121

Females

1352

F40-44

1352

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8381

Females

1545

F40-44

1545

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6682

Females

1024

F40-44

1024

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11389

Females

3094

F40-44

3094

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9487

Females

2252

F40-44

2252

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8989

Females

2083

F40-44

2083

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9603

Females

2448

F40-44

2448

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10181

Females

2761

F40-44

2761

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

9900

Females

2647

F40-44

2647

Passing Analysis

Category:
Athletes Passed
1029
Passed By
1694
Net Change
-665
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7204
5K → 10K284157+127#7204#7077
10K → 15K59301-242#7077#7319
15K → 20K75191-116#7319#7435
20K → Half3014+16#7435#7419
Half → 25K42194-152#7419#7571
25K → 30K127162-35#7571#7606
30K → 20M6877-9#7606#7615
20M → 21M11023+87#7615#7528
21M → 35K16114-98#7528#7626
35K → 23M61130-69#7626#7695
23M → 24M5489-35#7695#7730
24M → 40K41102-61#7730#7791
40K → 25.2M1457-43#7791#7834
25.2M → Finish4883-35#7834#7869
TOTALS10291694-665
📊

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