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BOSTON MARATHON 2023

Fanny Grenier

Bib: 20600•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 43%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:05
Rank: #16862
Start → 5K
26:05 | 8:24/mi
10K· 6.21 mi
51:22
Rank: #16284 (+578)
5K → 10K
25:17 | 8:08/mi
15K· 9.32 mi
1:16:21
Rank: #15763 (+521)
10K → 15K
24:59 | 8:02/mi
20K· 12.43 mi
1:41:58
Rank: #15616 (+147)
15K → 20K
25:37 | 8:15/mi
Half· 13.11 mi
1:47:32
Rank: #15618 (-2)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:08:30
Rank: #15840 (-222)
Half → 25K
20:58 | 8:39/mi
30K· 18.64 mi
2:36:52
Rank: #16248 (-408)
25K → 30K
28:22 | 9:08/mi
20M
2:48:55
Rank: #16189 (+59)
30K → 20M
12:03 | 8:52/mi
21M
2:58:31
Rank: #16200 (-11)
20M → 21M
9:36 | 9:36/mi
35K· 21.75 mi
3:05:41
Rank: #16374 (-174)
21M → 35K
7:11 | 9:36/mi
23M
3:17:42
Rank: #16567 (-193)
35K → 23M
12:01 | 9:36/mi
24M
3:27:09
Rank: #16690 (-123)
23M → 24M
9:27 | 9:27/mi
40K· 24.85 mi
3:35:14
Rank: #16763 (-73)
24M → 40K
8:05 | 9:27/mi
25.2M
3:38:29
Rank: #16727 (+36)
40K → 25.2M
3:16 | 9:27/mi
Finish· 26.22 mi
3:48:07
Rank: #16880 (-153)
25.2M → Finish
9:38 | 9:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1326:058:2426:05
8:24
-
10K
6.21 mi11:46:3051:228:1625:17
8:08
-0:16
15K
9.32 mi12:11:291:16:218:1124:59
8:02
-0:06
20K
12.43 mi12:37:061:41:588:1225:37
8:15
+0:13
Half
13.11 mi12:42:401:47:328:125:34
8:10
-0:05
25K
15.53 mi13:03:382:08:308:1620:58
8:39
+0:29
30K
18.64 mi13:32:002:36:528:2528:22
9:08
+0:29
20M
20.00 mi13:44:032:48:558:2712:03
8:52
-0:16
21M
21.00 mi13:53:392:58:318:309:36
9:36
+0:44
35K
21.75 mi14:00:493:05:418:327:11
9:36
0:00
23M
23.00 mi14:12:503:17:428:3612:01
9:36
0:00
24M
24.00 mi14:22:173:27:098:389:27
9:27
-0:09
40K
24.85 mi14:30:223:35:148:408:05
9:27
0:00
25.2M
25.20 mi14:33:373:38:298:403:16
9:27
0:00
Finish
26.22 mi14:43:153:48:078:429:38
9:27
0:00

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

8:02 /mi

Average Pace

8:42 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:30

56% of race

Time at Steady Pace

1:10:50

31% of race

Time at Slower Pace

28:47

13% of race

Average Pace: 8:42 /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 mi11:21:1326:058:2426:05
8:24
#16862
10K
6.21 mi11:46:3051:228:1625:17
8:08
#16284
15K
9.32 mi12:11:291:16:218:1124:59
8:02
#15763
20K
12.43 mi12:37:061:41:588:1225:37
8:15
#15616
Half
13.11 mi12:42:401:47:328:125:34
8:10
#15618
25K
15.53 mi13:03:382:08:308:1620:58
8:39
#15840
30K
18.64 mi13:32:002:36:528:2528:22
9:08
#16248
20M
20.00 mi13:44:032:48:558:2712:03
8:52
#16189
21M
21.00 mi13:53:392:58:318:309:36
9:36
#16200
35K
21.75 mi14:00:493:05:418:327:11
9:36
#16374
23M
23.00 mi14:12:503:17:428:3612:01
9:36
#16567
24M
24.00 mi14:22:173:27:098:389:27
9:27
#16690
40K
24.85 mi14:30:223:35:148:408:05
9:27
#16763
25.2M
25.20 mi14:33:373:38:298:403:16
9:27
#16727
Finish
26.22 mi14:43:153:48:078:429:38
9:27
#16880
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168625835583514749(Top 55%)4538(Top 40%)4538(Top 250%)
10K6.21 mi3.10 mi16284+5785448+3875448+38715815(Top 59%)5157(Top 45%)5157(Top 284%)
15K9.32 mi3.11 mi15763+5215134+3145134+31414749(Top 55%)4538(Top 40%)4538(Top 250%)
20K12.43 mi3.11 mi15616+1475069+655069+6515254(Top 57%)4872(Top 43%)4872(Top 268%)
Half13.11 mi0.68 mi15618-25069506915584(Top 59%)5056(Top 44%)5056(Top 278%)
25K15.53 mi2.42 mi15840-2225238-1695238-16917096(Top 64%)6057(Top 53%)6057(Top 333%)
30K18.64 mi3.11 mi16248-4085536-2985536-29817835(Top 67%)6544(Top 57%)6544(Top 360%)
20M20.00 mi1.36 mi16189+595512+245512+2415849(Top 60%)5485(Top 48%)5485(Top 302%)
21M21.00 mi1.00 mi16200-115541-295541-2916389(Top 62%)5854(Top 51%)5854(Top 322%)
35K21.75 mi0.75 mi16374-1745645-1045645-10420142(Top 76%)8024(Top 70%)8024(Top 442%)
23M23.00 mi1.25 mi16567-1935768-1235768-12318697(Top 70%)7244(Top 63%)7244(Top 399%)
24M24.00 mi1.00 mi16690-1235853-855853-8519010(Top 71%)7460(Top 65%)7460(Top 411%)
40K24.85 mi0.85 mi16763-735919-665919-6618147(Top 68%)7033(Top 62%)7033(Top 387%)
25.2M25.20 mi0.35 mi16727+365908+115908+1114951(Top 56%)5304(Top 46%)5304(Top 292%)
Finish26.22 mi1.02 mi16880-1536008-1006008-10019935(Top 75%)7968(Top 70%)7968(Top 439%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14749

Females

4538

F45-49

4538

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15815

Females

5157

F45-49

5157

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14749

Females

4538

F45-49

4538

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

15254

Females

4872

F45-49

4872

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15584

Females

5056

F45-49

5056

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17096

Females

6057

F45-49

6057

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17835

Females

6544

F45-49

6544

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15849

Females

5485

F45-49

5485

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16389

Females

5854

F45-49

5854

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20142

Females

8024

F45-49

8024

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

18697

Females

7244

F45-49

7244

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

19010

Females

7460

F45-49

7460

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18147

Females

7033

F45-49

7033

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14951

Females

5304

F45-49

5304

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19935

Females

7968

F45-49

7968

Passing Analysis

Category:
Athletes Passed
2076
Passed By
2094
Net Change
-18
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16862
5K → 10K686108+578#16862#16284
10K → 15K56544+521#16284#15763
15K → 20K247100+147#15763#15616
20K → Half3335-2#15616#15618
Half → 25K80302-222#15618#15840
25K → 30K88496-408#15840#16248
30K → 20M10546+59#16248#16189
20M → 21M7990-11#16189#16200
21M → 35K13187-174#16200#16374
35K → 23M35228-193#16374#16567
23M → 24M37160-123#16567#16690
24M → 40K33106-73#16690#16763
40K → 25.2M459+36#16763#16727
25.2M → Finish30183-153#16727#16880
TOTALS20762094-18
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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