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BOSTON MARATHON 2023

Joanna Griffin

Bib: 17565•F

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0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Age Group (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
25:25
Rank: #15340
Start → 5K
25:25 | 8:11/mi
10K· 6.21 mi
50:49
Rank: #15671 (-331)
5K → 10K
25:24 | 8:11/mi
15K· 9.32 mi
1:16:27
Rank: #15844 (-173)
10K → 15K
25:38 | 8:15/mi
20K· 12.43 mi
1:42:23
Rank: #15842 (+2)
15K → 20K
25:56 | 8:21/mi
Half· 13.11 mi
1:48:04
Rank: #15878 (-36)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:08:21
Rank: #15766 (+112)
Half → 25K
20:17 | 8:22/mi
30K· 18.64 mi
2:35:09
Rank: #15631 (+135)
25K → 30K
26:48 | 8:38/mi
20M
2:46:58
Rank: #15549 (+82)
30K → 20M
11:49 | 8:42/mi
21M
2:56:17
Rank: #15492 (+57)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
3:02:40
Rank: #15491 (+1)
21M → 35K
6:23 | 8:32/mi
23M
3:13:41
Rank: #15437 (+54)
35K → 23M
11:01 | 8:48/mi
24M
3:22:14
Rank: #15405 (+32)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:29:41
Rank: #15374 (+31)
24M → 40K
7:27 | 8:43/mi
25.2M
3:32:57
Rank: #15349 (+25)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:41:27
Rank: #15292 (+57)
25.2M → Finish
8:30 | 8:20/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:48:04
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0125:258:1125:25
8:11
-
10K
6.21 mi11:41:2550:498:1125:24
8:11
0:00
15K
9.32 mi12:07:031:16:278:1225:38
8:15
+0:04
20K
12.43 mi12:32:591:42:238:1425:56
8:21
+0:06
Half
13.11 mi12:38:401:48:048:155:41
8:20
-0:01
25K
15.53 mi12:58:572:08:218:1620:17
8:22
+0:02
30K
18.64 mi13:25:452:35:098:1926:48
8:38
+0:16
20M
20.00 mi13:37:342:46:588:2111:49
8:42
+0:04
21M
21.00 mi13:46:532:56:178:249:19
9:19
+0:37
35K
21.75 mi13:53:163:02:408:246:23
8:32
-0:47
23M
23.00 mi14:04:173:13:418:2511:01
8:48
+0:16
24M
24.00 mi14:12:503:22:148:268:33
8:33
-0:15
40K
24.85 mi14:20:173:29:418:267:27
8:43
+0:10
25.2M
25.20 mi14:23:333:32:578:273:16
9:28
+0:45
Finish
26.22 mi14:32:033:41:278:278:30
8:20
-1:08

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:11 /mi

Average Pace

8:27 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:28:52

94% of race

Time at Steady Pace

12:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:27 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:16:0125:258:1125:25
8:11
#15340
10K
6.21 mi11:41:2550:498:1125:24
8:11
#15671
15K
9.32 mi12:07:031:16:278:1225:38
8:15
#15844
20K
12.43 mi12:32:591:42:238:1425:56
8:21
#15842
Half
13.11 mi12:38:401:48:048:155:41
8:20
#15878
25K
15.53 mi12:58:572:08:218:1620:17
8:22
#15766
30K
18.64 mi13:25:452:35:098:1926:48
8:38
#15631
20M
20.00 mi13:37:342:46:588:2111:49
8:42
#15549
21M
21.00 mi13:46:532:56:178:249:19
9:19
#15492
35K
21.75 mi13:53:163:02:408:246:23
8:32
#15491
23M
23.00 mi14:04:173:13:418:2511:01
8:48
#15437
24M
24.00 mi14:12:503:22:148:268:33
8:33
#15405
40K
24.85 mi14:20:173:29:418:267:27
8:43
#15374
25.2M
25.20 mi14:23:333:32:578:273:16
9:28
#15349
Finish
26.22 mi14:32:033:41:278:278:30
8:20
#15292
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi153404860486016233(Top 61%)5429(Top 48%)5429(Top 111%)
10K6.21 mi3.10 mi15671-3315073-2135073-21316086(Top 60%)5328(Top 47%)5328(Top 109%)
15K9.32 mi3.11 mi15844-1735181-1085181-10816233(Top 61%)5429(Top 48%)5429(Top 111%)
20K12.43 mi3.11 mi15842+25207-265207-2615930(Top 60%)5305(Top 46%)5305(Top 109%)
Half13.11 mi0.68 mi15878-365234-275234-2716683(Top 63%)5694(Top 50%)5694(Top 117%)
25K15.53 mi2.42 mi15766+1125189+455189+4515377(Top 58%)5066(Top 44%)5066(Top 104%)
30K18.64 mi3.11 mi15631+1355140+495140+4915083(Top 57%)4986(Top 44%)4986(Top 102%)
20M20.00 mi1.36 mi15549+825122+185122+1814851(Top 56%)4912(Top 43%)4912(Top 101%)
21M21.00 mi1.00 mi15492+575111+115111+1115094(Top 57%)5111(Top 45%)5111(Top 105%)
35K21.75 mi0.75 mi15491+15125-145125-1415500(Top 58%)5406(Top 47%)5406(Top 111%)
23M23.00 mi1.25 mi15437+545122+35122+314997(Top 56%)5168(Top 45%)5168(Top 106%)
24M24.00 mi1.00 mi15405+325113+95113+914794(Top 56%)5113(Top 45%)5113(Top 105%)
40K24.85 mi0.85 mi15374+315109+45109+414624(Top 55%)5098(Top 45%)5098(Top 104%)
25.2M25.20 mi0.35 mi15349+255106+35106+315103(Top 57%)5357(Top 47%)5357(Top 110%)
Finish26.22 mi1.02 mi15292+575078+285078+2814377(Top 54%)4939(Top 43%)4939(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

16233

Females

5429

F18-39

5429

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16086

Females

5328

F18-39

5328

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

16233

Females

5429

F18-39

5429

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15930

Females

5305

F18-39

5305

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16683

Females

5694

F18-39

5694

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15377

Females

5066

F18-39

5066

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15083

Females

4986

F18-39

4986

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14851

Females

4912

F18-39

4912

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15094

Females

5111

F18-39

5111

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15500

Females

5406

F18-39

5406

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14997

Females

5168

F18-39

5168

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14794

Females

5113

F18-39

5113

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14624

Females

5098

F18-39

5098

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15103

Females

5357

F18-39

5357

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14377

Females

4939

F18-39

4939

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1597
Passed By
1549
Net Change
+48
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15340
5K → 10K174505-331#15340#15671
10K → 15K120293-173#15671#15844
15K → 20K175173+2#15844#15842
20K → Half2056-36#15842#15878
Half → 25K18068+112#15878#15766
25K → 30K240105+135#15766#15631
30K → 20M12543+82#15631#15549
20M → 21M11154+57#15549#15492
21M → 35K4948+1#15492#15491
35K → 23M11157+54#15491#15437
23M → 24M8048+32#15437#15405
24M → 40K7544+31#15405#15374
40K → 25.2M4015+25#15374#15349
25.2M → Finish9740+57#15349#15292
TOTALS15971549+48
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing