Boston Marathon logo
BOSTON MARATHON 2023

Rachel Maglio

Bib: 27469•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:57
Rank: #25574
Start → 5K
33:57 | 10:56/mi
10K· 6.21 mi
1:07:43
Rank: #25445 (+129)
5K → 10K
33:46 | 10:52/mi
15K· 9.32 mi
1:41:09
Rank: #25221 (+224)
10K → 15K
33:26 | 10:46/mi
20K· 12.43 mi
2:15:10
Rank: #25034 (+187)
15K → 20K
34:01 | 10:57/mi
Half· 13.11 mi
2:22:36
Rank: #25025 (+9)
20K → Half
7:26 | 10:54/mi
25K· 15.53 mi
2:49:40
Rank: #24892 (+133)
Half → 25K
27:04 | 11:10/mi
30K· 18.64 mi
3:25:35
Rank: #24721 (+171)
25K → 30K
35:55 | 11:34/mi
20M
3:42:39
Rank: #24732 (-11)
30K → 20M
17:04 | 12:34/mi
21M
3:55:31
Rank: #24727 (+5)
20M → 21M
12:52 | 12:52/mi
35K· 21.75 mi
4:03:34
Rank: #24658 (+69)
21M → 35K
8:03 | 10:46/mi
23M
4:18:08
Rank: #24585 (+73)
35K → 23M
14:34 | 11:38/mi
24M
4:29:10
Rank: #24517 (+68)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:38:45
Rank: #24475 (+42)
24M → 40K
9:35 | 11:13/mi
25.2M
4:43:14
Rank: #24476 (-1)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:54:06
Rank: #24442 (+34)
25.2M → Finish
10:52 | 10:40/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:36
Pace10:53 /mi
2nd Half
Distance13.11 mi
Time2:31:30
Pace11:33 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1633:5710:5633:57
10:56
-
10K
6.21 mi12:31:021:07:4310:5433:46
10:52
-0:04
15K
9.32 mi13:04:281:41:0910:5133:26
10:46
-0:06
20K
12.43 mi13:38:292:15:1010:5334:01
10:57
+0:11
Half
13.11 mi13:45:552:22:3610:537:26
10:54
-0:03
25K
15.53 mi14:12:592:49:4010:5527:04
11:10
+0:16
30K
18.64 mi14:48:543:25:3511:0235:55
11:34
+0:24
20M
20.00 mi15:05:583:42:3911:0817:04
12:34
+1:00
21M
21.00 mi15:18:503:55:3111:1312:52
12:52
+0:18
35K
21.75 mi15:26:534:03:3411:128:03
10:46
-2:06
23M
23.00 mi15:41:274:18:0811:1314:34
11:38
+0:52
24M
24.00 mi15:52:294:29:1011:1311:02
11:02
-0:36
40K
24.85 mi16:02:044:38:4511:139:35
11:13
+0:11
25.2M
25.20 mi16:06:334:43:1411:144:29
13:00
+1:47
Finish
26.22 mi16:17:254:54:0611:1410:52
10:40
-2:20

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

10:40 /mi

Average Pace

11:14 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:29:12

71% of race

Time at Slower Pace

1:24:54

29% of race

Average Pace: 11:13 /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 mi11:57:1633:5710:5633:57
10:56
#25574
10K
6.21 mi12:31:021:07:4310:5433:46
10:52
#25445
15K
9.32 mi13:04:281:41:0910:5133:26
10:46
#25221
20K
12.43 mi13:38:292:15:1010:5334:01
10:57
#25034
Half
13.11 mi13:45:552:22:3610:537:26
10:54
#25025
25K
15.53 mi14:12:592:49:4010:5527:04
11:10
#24892
30K
18.64 mi14:48:543:25:3511:0235:55
11:34
#24721
20M
20.00 mi15:05:583:42:3911:0817:04
12:34
#24732
21M
21.00 mi15:18:503:55:3111:1312:52
12:52
#24727
35K
21.75 mi15:26:534:03:3411:128:03
10:46
#24658
23M
23.00 mi15:41:274:18:0811:1314:34
11:38
#24585
24M
24.00 mi15:52:294:29:1011:1311:02
11:02
#24517
40K
24.85 mi16:02:044:38:4511:139:35
11:13
#24475
25.2M
25.20 mi16:06:334:43:1411:144:29
13:00
#24476
Finish
26.22 mi16:17:254:54:0611:1410:52
10:40
#24442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25574107711077124883(Top 93%)10398(Top 91%)10398(Top 213%)
10K6.21 mi3.10 mi25445+12910695+7610695+7625297(Top 95%)10609(Top 93%)10609(Top 217%)
15K9.32 mi3.11 mi25221+22410566+12910566+12924883(Top 93%)10398(Top 91%)10398(Top 213%)
20K12.43 mi3.11 mi25034+18710474+9210474+9224557(Top 92%)10232(Top 90%)10232(Top 210%)
Half13.11 mi0.68 mi25025+910467+710467+724802(Top 93%)10377(Top 91%)10377(Top 212%)
25K15.53 mi2.42 mi24892+13310409+5810409+5824219(Top 91%)10068(Top 88%)10068(Top 206%)
30K18.64 mi3.11 mi24721+17110328+8110328+8123951(Top 90%)9990(Top 87%)9990(Top 205%)
20M20.00 mi1.36 mi24732-1110345-1710345-1724807(Top 93%)10506(Top 92%)10506(Top 215%)
21M21.00 mi1.00 mi24727+510348-310348-323939(Top 90%)10055(Top 88%)10055(Top 206%)
35K21.75 mi0.75 mi24658+6910317+3110317+3122871(Top 86%)9532(Top 83%)9532(Top 195%)
23M23.00 mi1.25 mi24585+7310279+3810279+3823482(Top 88%)9846(Top 86%)9846(Top 202%)
24M24.00 mi1.00 mi24517+6810255+2410255+2423126(Top 87%)9701(Top 85%)9701(Top 199%)
40K24.85 mi0.85 mi24475+4210233+2210233+2222763(Top 86%)9532(Top 83%)9532(Top 195%)
25.2M25.20 mi0.35 mi24476-110240-710240-723991(Top 90%)10181(Top 89%)10181(Top 208%)
Finish26.22 mi1.02 mi24442+3410226+1410226+1423364(Top 88%)9843(Top 86%)9843(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24883

Females

10398

F18-39

10398

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25297

Females

10609

F18-39

10609

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24883

Females

10398

F18-39

10398

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24557

Females

10232

F18-39

10232

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

24802

Females

10377

F18-39

10377

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24219

Females

10068

F18-39

10068

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23951

Females

9990

F18-39

9990

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24807

Females

10506

F18-39

10506

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

23939

Females

10055

F18-39

10055

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22871

Females

9532

F18-39

9532

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23482

Females

9846

F18-39

9846

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

23126

Females

9701

F18-39

9701

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22763

Females

9532

F18-39

9532

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23991

Females

10181

F18-39

10181

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23364

Females

9843

F18-39

9843

Passing Analysis

Category:
Athletes Passed
1442
Passed By
310
Net Change
+1132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25574
5K → 10K22596+129#25574#25445
10K → 15K24016+224#25445#25221
15K → 20K20922+187#25221#25034
20K → Half2415+9#25034#25025
Half → 25K14613+133#25025#24892
25K → 30K19322+171#24892#24721
30K → 20M4758-11#24721#24732
20M → 21M3126+5#24732#24727
21M → 35K690+69#24727#24658
35K → 23M8512+73#24658#24585
23M → 24M735+68#24585#24517
24M → 40K464+42#24517#24475
40K → 25.2M1112-1#24475#24476
25.2M → Finish439+34#24476#24442
TOTALS1442310+1132
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing