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BOSTON MARATHON 2023

Christina Theriot

Bib: 16127•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 34%
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
7:39/mi
23:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:37
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:34:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:39:29
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:58:05
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:22:35
↑ 181↓ 1480.2%
20M
8:01/mi
2:33:29
↑ 64↓ 500.2%
21M
8:44/mi
2:42:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:47:55
↑ 17↓ 861.7%
23M
8:08/mi
2:58:06
↑ 23↓ 630.6%
24M
7:50/mi
3:05:56
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:12:53
↓ 200.3%
25.2M
8:45/mi
3:15:54
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:23:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:44:08
Pace7:57 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4623:457:3923:45
7:39
-
10K
6.21 mi11:37:1747:167:3623:31
7:34
-0:05
15K
9.32 mi12:00:381:10:377:3523:21
7:31
-0:03
20K
12.43 mi12:24:241:34:237:3623:46
7:39
+0:08
Half
13.11 mi12:29:301:39:297:355:06
7:29
-0:10
25K
15.53 mi12:48:061:58:057:3618:36
7:40
+0:11
30K
18.64 mi13:12:362:22:357:3924:30
7:53
+0:13
20M
20.00 mi13:23:302:33:297:4010:54
8:01
+0:08
21M
21.00 mi13:32:142:42:137:438:44
8:44
+0:43
35K
21.75 mi13:37:562:47:557:435:42
7:37
-1:07
23M
23.00 mi13:48:072:58:067:4510:11
8:08
+0:31
24M
24.00 mi13:55:573:05:567:457:50
7:50
-0:18
40K
24.85 mi14:02:543:12:537:466:57
8:08
+0:18
25.2M
25.20 mi14:05:553:15:547:463:01
8:45
+0:37
Finish
26.22 mi14:13:383:23:377:467:43
7:34
-1:11

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

7:29 /mi

Average Pace

7:46 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:52

94% of race

Time at Steady Pace

11:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:13:4623:457:3923:45
7:39
#10980
10K
6.21 mi11:37:1747:167:3623:31
7:34
#10978
15K
9.32 mi12:00:381:10:377:3523:21
7:31
#10736
20K
12.43 mi12:24:241:34:237:3623:46
7:39
#10666
Half
13.11 mi12:29:301:39:297:355:06
7:29
#10626
25K
15.53 mi12:48:061:58:057:3618:36
7:40
#10490
30K
18.64 mi13:12:362:22:357:3924:30
7:53
#10358
20M
20.00 mi13:23:302:33:297:4010:54
8:01
#10354
21M
21.00 mi13:32:142:42:137:438:44
8:44
#10427
35K
21.75 mi13:37:562:47:557:435:42
7:37
#10369
23M
23.00 mi13:48:072:58:067:4510:11
8:08
#10347
24M
24.00 mi13:55:573:05:567:457:50
7:50
#10319
40K
24.85 mi14:02:543:12:537:466:57
8:08
#10326
25.2M
25.20 mi14:05:553:15:547:463:01
8:45
#10320
Finish
26.22 mi14:13:383:23:377:467:43
7:34
#10235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109802317231710319(Top 39%)1991(Top 17%)1991(Top 41%)
10K6.21 mi3.10 mi10978+22314+32314+311057(Top 42%)2344(Top 21%)2344(Top 48%)
15K9.32 mi3.11 mi10736+2422194+1202194+12010319(Top 39%)1991(Top 17%)1991(Top 41%)
20K12.43 mi3.11 mi10666+702166+282166+2810522(Top 40%)2154(Top 19%)2154(Top 44%)
Half13.11 mi0.68 mi10626+402139+272139+2710102(Top 38%)1938(Top 17%)1938(Top 40%)
25K15.53 mi2.42 mi10490+1362090+492090+4910099(Top 38%)2039(Top 18%)2039(Top 42%)
30K18.64 mi3.11 mi10358+1322081+92081+910036(Top 38%)2181(Top 19%)2181(Top 45%)
20M20.00 mi1.36 mi10354+42095-142095-1410437(Top 39%)2445(Top 21%)2445(Top 50%)
21M21.00 mi1.00 mi10427-732164-692164-6911881(Top 45%)3328(Top 29%)3328(Top 68%)
35K21.75 mi0.75 mi10369+582152+122152+129442(Top 35%)2119(Top 19%)2119(Top 43%)
23M23.00 mi1.25 mi10347+222173-212173-2110719(Top 40%)2874(Top 25%)2874(Top 59%)
24M24.00 mi1.00 mi10319+282183-102183-1010050(Top 38%)2619(Top 23%)2619(Top 54%)
40K24.85 mi0.85 mi10326-72213-302213-3010904(Top 41%)3090(Top 27%)3090(Top 63%)
25.2M25.20 mi0.35 mi10320+62226-132226-1311047(Top 41%)3205(Top 28%)3205(Top 66%)
Finish26.22 mi1.02 mi10235+852214+122214+129128(Top 34%)2298(Top 20%)2298(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10319

Females

1991

F18-39

1991

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11057

Females

2344

F18-39

2344

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10319

Females

1991

F18-39

1991

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10522

Females

2154

F18-39

2154

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10102

Females

1938

F18-39

1938

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10099

Females

2039

F18-39

2039

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10036

Females

2181

F18-39

2181

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10437

Females

2445

F18-39

2445

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11881

Females

3328

F18-39

3328

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9442

Females

2119

F18-39

2119

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10719

Females

2874

F18-39

2874

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10050

Females

2619

F18-39

2619

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10904

Females

3090

F18-39

3090

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11047

Females

3205

F18-39

3205

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9128

Females

2298

F18-39

2298

Passing Analysis

Category:
Athletes Passed
1878*
Passed By
1133
Net Change
+745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10980
5K → 10K302300+2#10980#10978
10K → 15K31674+242#10978#10736
15K → 20K196126+70#10736#10666
20K → Half5212+40#10666#10626
Half → 25K18650+136#10626#10490
25K → 30K22492+132#10490#10358
30K → 20M72*68+4#10358#10354
20M → 21M73146-73#10354#10427
21M → 35K7517+58#10427#10369
35K → 23M8866+22#10369#10347
23M → 24M7345+28#10347#10319
24M → 40K6572-7#10319#10326
40K → 25.2M4337+6#10326#10320
25.2M → Finish11328+85#10320#10235
TOTALS1878*1133+745

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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