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BOSTON MARATHON 2023

Genevieve Bombardier

Bib: 16250•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F40-44)
#0 / 1878
Top 49%
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
8:18/mi
25:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:17:44
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:43:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:49:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:09:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:35:24
↑ 181↓ 1480.2%
20M
8:15/mi
2:46:36
↑ 64↓ 500.2%
21M
8:45/mi
2:55:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
3:01:27
↑ 17↓ 861.7%
23M
8:23/mi
3:11:57
↑ 23↓ 630.6%
24M
8:15/mi
3:20:12
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:27:21
↓ 200.3%
25.2M
8:59/mi
3:30:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:38:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:49:20
Pace8:20 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3025:478:1825:47
8:18
-
10K
6.21 mi11:46:2651:438:1925:56
8:21
+0:03
15K
9.32 mi12:12:271:17:448:2026:01
8:22
+0:01
20K
12.43 mi12:38:271:43:448:2126:00
8:22
0:00
Half
13.11 mi12:44:031:49:208:205:36
8:12
-0:10
25K
15.53 mi13:03:582:09:158:1919:55
8:13
+0:01
30K
18.64 mi13:30:072:35:248:2026:09
8:25
+0:12
20M
20.00 mi13:41:192:46:368:2011:12
8:15
-0:10
21M
21.00 mi13:50:042:55:218:218:45
8:45
+0:30
35K
21.75 mi13:56:103:01:278:216:06
8:09
-0:36
23M
23.00 mi14:06:403:11:578:2110:30
8:23
+0:14
24M
24.00 mi14:14:553:20:128:218:15
8:15
-0:08
40K
24.85 mi14:22:043:27:218:217:09
8:22
+0:07
25.2M
25.20 mi14:25:103:30:278:213:06
8:59
+0:37
Finish
26.22 mi14:33:333:38:508:218:23
8:14
-0:45

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

8:09 /mi

Average Pace

8:21 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:44

99% of race

Time at Steady Pace

3:06

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:20:3025:478:1825:47
8:18
#16151
10K
6.21 mi11:46:2651:438:1925:56
8:21
#16670
15K
9.32 mi12:12:271:17:448:2026:01
8:22
#16789
20K
12.43 mi12:38:271:43:448:2126:00
8:22
#16611
Half
13.11 mi12:44:031:49:208:205:36
8:12
#16571
25K
15.53 mi13:03:582:09:158:1919:55
8:13
#16177
30K
18.64 mi13:30:072:35:248:2026:09
8:25
#15733
20M
20.00 mi13:41:192:46:368:2011:12
8:15
#15449
21M
21.00 mi13:50:042:55:218:218:45
8:45
#15209
35K
21.75 mi13:56:103:01:278:216:06
8:09
#15122
23M
23.00 mi14:06:403:11:578:2110:30
8:23
#14961
24M
24.00 mi14:14:553:20:128:218:15
8:15
#14853
40K
24.85 mi14:22:043:27:218:217:09
8:22
#14723
25.2M
25.20 mi14:25:103:30:278:213:06
8:59
#14683
Finish
26.22 mi14:33:333:38:508:218:23
8:14
#14644
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi161515375537516992(Top 64%)5906(Top 52%)5906(Top 314%)
10K6.21 mi3.10 mi16670-5195686-3115686-31117225(Top 65%)6014(Top 53%)6014(Top 320%)
15K9.32 mi3.11 mi16789-1195786-1005786-10016992(Top 64%)5906(Top 52%)5906(Top 314%)
20K12.43 mi3.11 mi16611+1785683+1035683+10316049(Top 60%)5377(Top 47%)5377(Top 286%)
Half13.11 mi0.68 mi16571+405661+225661+2215878(Top 60%)5210(Top 46%)5210(Top 277%)
25K15.53 mi2.42 mi16177+3945441+2205441+22014353(Top 54%)4424(Top 39%)4424(Top 236%)
30K18.64 mi3.11 mi15733+4445213+2285213+22813809(Top 52%)4220(Top 37%)4220(Top 225%)
20M20.00 mi1.36 mi15449+2845060+1535060+15312004(Top 45%)3290(Top 29%)3290(Top 175%)
21M21.00 mi1.00 mi15209+2404932+1284932+12812011(Top 45%)3413(Top 30%)3413(Top 182%)
35K21.75 mi0.75 mi15122+874890+424890+4213205(Top 50%)4126(Top 36%)4126(Top 220%)
23M23.00 mi1.25 mi14961+1614809+814809+8112529(Top 47%)3819(Top 33%)3819(Top 203%)
24M24.00 mi1.00 mi14853+1084762+474762+4712977(Top 49%)4129(Top 36%)4129(Top 220%)
40K24.85 mi0.85 mi14723+1304713+494713+4912511(Top 47%)3952(Top 35%)3952(Top 210%)
25.2M25.20 mi0.35 mi14683+404700+134700+1312555(Top 47%)4014(Top 35%)4014(Top 214%)
Finish26.22 mi1.02 mi14644+394692+84692+813645(Top 51%)4551(Top 40%)4551(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16992

Females

5906

F40-44

5906

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17225

Females

6014

F40-44

6014

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16992

Females

5906

F40-44

5906

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16049

Females

5377

F40-44

5377

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15878

Females

5210

F40-44

5210

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14353

Females

4424

F40-44

4424

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13809

Females

4220

F40-44

4220

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12004

Females

3290

F40-44

3290

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12011

Females

3413

F40-44

3413

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13205

Females

4126

F40-44

4126

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

12529

Females

3819

F40-44

3819

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12977

Females

4129

F40-44

4129

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12511

Females

3952

F40-44

3952

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12555

Females

4014

F40-44

4014

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13645

Females

4551

F40-44

4551

Passing Analysis

Category:
Athletes Passed
2645
Passed By
1138
Net Change
+1507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16151
5K → 10K120639-519#16151#16670
10K → 15K155274-119#16670#16789
15K → 20K27193+178#16789#16611
20K → Half5414+40#16611#16571
Half → 25K40511+394#16571#16177
25K → 30K46117+444#16177#15733
30K → 20M2851+284#15733#15449
20M → 21M2455+240#15449#15209
21M → 35K958+87#15209#15122
35K → 23M1698+161#15122#14961
23M → 24M12315+108#14961#14853
24M → 40K1366+130#14853#14723
40K → 25.2M466+40#14723#14683
25.2M → Finish8041+39#14683#14644
TOTALS26451138+1507
📊

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