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BOSTON MARATHON 2023

Christie Thomas

Bib: 12717•F

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0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F50-54)
#0 / 1207
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:08
Rank: #12067
Start → 5K
7:46/mi
24:08 split
10K· 6.21 mi
47:05
Rank: #10712 (+1355)
5K → 10K
7:23/mi
22:57 split
15K· 9.32 mi
1:10:34
Rank: #10679 (+33)
10K → 15K
7:34/mi
23:29 split
20K· 12.43 mi
1:35:20
Rank: #11278 (-599)
15K → 20K
7:58/mi
24:46 split
Half· 13.11 mi
1:40:38
Rank: #11333 (-55)
20K → Half
7:46/mi
5:18 split
25K· 15.53 mi
2:00:09
Rank: #11561 (-228)
Half → 25K
8:03/mi
19:31 split
30K· 18.64 mi
2:24:40
Rank: #11252 (+309)
25K → 30K
7:53/mi
24:31 split
20M
2:35:13
Rank: #11024 (+228)
30K → 20M
7:46/mi
10:33 split
21M
2:43:37
Rank: #10941 (+83)
20M → 21M
8:24/mi
8:24 split
35K· 21.75 mi
2:49:09
Rank: #10796 (+145)
21M → 35K
7:24/mi
5:32 split
23M
2:58:46
Rank: #10583 (+213)
35K → 23M
7:41/mi
9:37 split
24M
3:06:19
Rank: #10450 (+133)
23M → 24M
7:33/mi
7:33 split
40K· 24.85 mi
3:12:38
Rank: #10223 (+227)
24M → 40K
7:23/mi
6:19 split
25.2M
3:15:10
Rank: #10083 (+140)
40K → 25.2M
7:22/mi
2:32 split
Finish· 26.22 mi
3:22:41
Rank: #9950 (+133)
25.2M → Finish
7:22/mi
7:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:03
Pace7:47 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0024:087:4624:08
7:46
-
10K
6.21 mi11:37:5747:057:3522:57
7:23
-0:23
15K
9.32 mi12:01:261:10:347:3423:29
7:34
+0:11
20K
12.43 mi12:26:121:35:207:4024:46
7:58
+0:24
Half
13.11 mi12:31:301:40:387:415:18
7:46
-0:12
25K
15.53 mi12:51:012:00:097:4419:31
8:03
+0:17
30K
18.64 mi13:15:322:24:407:4624:31
7:53
-0:10
20M
20.00 mi13:26:052:35:137:4610:33
7:46
-0:07
21M
21.00 mi13:34:292:43:377:478:24
8:24
+0:38
35K
21.75 mi13:40:012:49:097:475:32
7:24
-1:00
23M
23.00 mi13:49:382:58:467:469:37
7:41
+0:17
24M
24.00 mi13:57:113:06:197:467:33
7:33
-0:08
40K
24.85 mi14:03:303:12:387:456:19
7:23
-0:10
25.2M
25.20 mi14:06:023:15:107:452:32
7:22
-0:01
Finish
26.22 mi14:13:333:22:417:447:31
7:22
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

7:22 /mi

Average Pace

7:44 /mi

Slowest Pace

8:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:17

96% of race

Time at Steady Pace

8:24

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi11:15:0024:087:4624:08
7:46
#12067
10K
6.21 mi11:37:5747:057:3522:57
7:23
#10712
15K
9.32 mi12:01:261:10:347:3423:29
7:34
#10679
20K
12.43 mi12:26:121:35:207:4024:46
7:58
#11278
Half
13.11 mi12:31:301:40:387:415:18
7:46
#11333
25K
15.53 mi12:51:012:00:097:4419:31
8:03
#11561
30K
18.64 mi13:15:322:24:407:4624:31
7:53
#11252
20M
20.00 mi13:26:052:35:137:4610:33
7:46
#11024
21M
21.00 mi13:34:292:43:377:478:24
8:24
#10941
35K
21.75 mi13:40:012:49:097:475:32
7:24
#10796
23M
23.00 mi13:49:382:58:467:469:37
7:41
#10583
24M
24.00 mi13:57:113:06:197:467:33
7:33
#10450
40K
24.85 mi14:03:303:12:387:456:19
7:23
#10223
25.2M
25.20 mi14:06:023:15:107:452:32
7:22
#10083
Finish
26.22 mi14:13:333:22:417:447:31
7:22
#9950
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi120672905290510667(Top 40%)2168(Top 19%)2168(Top 180%)
10K6.21 mi3.10 mi10712+13552182+7232182+7239513(Top 36%)1630(Top 14%)1630(Top 135%)
15K9.32 mi3.11 mi10679+332159+232159+2310667(Top 40%)2168(Top 19%)2168(Top 180%)
20K12.43 mi3.11 mi11278-5992487-3282487-32813200(Top 50%)3649(Top 32%)3649(Top 302%)
Half13.11 mi0.68 mi11333-552522-352522-3512450(Top 47%)3153(Top 28%)3153(Top 261%)
25K15.53 mi2.42 mi11561-2282670-1482670-14813138(Top 49%)3699(Top 32%)3699(Top 306%)
30K18.64 mi3.11 mi11252+3092563+1072563+10710074(Top 38%)2195(Top 19%)2195(Top 182%)
20M20.00 mi1.36 mi11024+2282448+1152448+1158614(Top 32%)1647(Top 14%)1647(Top 136%)
21M21.00 mi1.00 mi10941+832432+162432+169875(Top 37%)2321(Top 20%)2321(Top 192%)
35K21.75 mi0.75 mi10796+1452370+622370+627833(Top 29%)1441(Top 13%)1441(Top 119%)
23M23.00 mi1.25 mi10583+2132296+742296+747649(Top 29%)1437(Top 13%)1437(Top 119%)
24M24.00 mi1.00 mi10450+1332255+412255+418084(Top 30%)1717(Top 15%)1717(Top 142%)
40K24.85 mi0.85 mi10223+2272157+982157+986059(Top 23%)1017(Top 9%)1017(Top 84%)
25.2M25.20 mi0.35 mi10083+1402110+472110+473290(Top 12%)314(Top 3%)314(Top 26%)
Finish26.22 mi1.02 mi9950+1332071+392071+397561(Top 28%)1663(Top 15%)1663(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10667

Females

2168

F50-54

2168

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9513

Females

1630

F50-54

1630

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10667

Females

2168

F50-54

2168

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13200

Females

3649

F50-54

3649

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12450

Females

3153

F50-54

3153

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13138

Females

3699

F50-54

3699

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10074

Females

2195

F50-54

2195

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8614

Females

1647

F50-54

1647

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9875

Females

2321

F50-54

2321

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7833

Females

1441

F50-54

1441

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7649

Females

1437

F50-54

1437

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8084

Females

1717

F50-54

1717

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6059

Females

1017

F50-54

1017

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3290

Females

314

F50-54

314

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7561

Females

1663

F50-54

1663

Passing Analysis

Category:
Athletes Passed
3460*
Passed By
1343
Net Change
+2117
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12067
5K → 10K138328+1355#12067#10712
10K → 15K201168+33#10712#10679
15K → 20K43642-599#10679#11278
20K → Half1065-55#11278#11333
Half → 25K66294-228#11333#11561
25K → 30K35849+309#11561#11252
30K → 20M238*10+228#11252#11024
20M → 21M11734+83#11024#10941
21M → 35K1483+145#10941#10796
35K → 23M2218+213#10796#10583
23M → 24M14916+133#10583#10450
24M → 40K2292+227#10450#10223
40K → 25.2M140*0+140#10223#10083
25.2M → Finish157*24+133#10083#9950
TOTALS3460*1343+2117

* 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