Boston Marathon logo
BOSTON MARATHON 2023

Eugenia Alvarado

Bib: 15551•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 28%
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
7:43/mi
24:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:13
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:13
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:36:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:41:08
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:59:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:22:49
↑ 181↓ 1480.2%
20M
7:35/mi
2:33:07
↑ 64↓ 500.2%
21M
7:55/mi
2:41:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:46:34
↑ 17↓ 861.7%
23M
7:38/mi
2:56:07
↑ 23↓ 630.6%
24M
7:24/mi
3:03:31
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:09:59
↓ 200.3%
25.2M
8:07/mi
3:12:47
↑ 13↓ 160.2%
Finish· 26.22 mi
7:21/mi
3:20:16
↑ 22↓ 21

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 Half
Distance13.11 mi
Time1:41:08
Pace7:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:08
Pace7:34 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1924:007:4324:00
7:43
-
10K
6.21 mi11:17:3248:137:4624:13
7:48
+0:05
15K
9.32 mi11:41:321:12:137:4524:00
7:43
-0:05
20K
12.43 mi12:05:191:36:007:4323:47
7:39
-0:04
Half
13.11 mi12:10:271:41:087:435:08
7:31
-0:08
25K
15.53 mi12:28:411:59:227:4118:14
7:31
0:00
30K
18.64 mi12:52:082:22:497:4023:27
7:33
+0:02
20M
20.00 mi13:02:262:33:077:3910:18
7:35
+0:02
21M
21.00 mi13:10:212:41:027:407:55
7:55
+0:20
35K
21.75 mi13:15:532:46:347:405:32
7:24
-0:31
23M
23.00 mi13:25:262:56:077:399:33
7:38
+0:14
24M
24.00 mi13:32:503:03:317:397:24
7:24
-0:14
40K
24.85 mi13:39:183:09:597:396:28
7:34
+0:10
25.2M
25.20 mi13:42:063:12:477:392:48
8:07
+0:33
Finish
26.22 mi13:49:353:20:167:397:29
7:21
-0:46

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

7:21 /mi

Average Pace

7:39 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:28

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:53:1924:007:4324:00
7:43
#11682
10K
6.21 mi11:17:3248:137:4624:13
7:48
#12354
15K
9.32 mi11:41:321:12:137:4524:00
7:43
#12206
20K
12.43 mi12:05:191:36:007:4323:47
7:39
#11735
Half
13.11 mi12:10:271:41:087:435:08
7:31
#11658
25K
15.53 mi12:28:411:59:227:4118:14
7:31
#11172
30K
18.64 mi12:52:082:22:497:4023:27
7:33
#10447
20M
20.00 mi13:02:262:33:077:3910:18
7:35
#10208
21M
21.00 mi13:10:212:41:027:407:55
7:55
#9969
35K
21.75 mi13:15:532:46:347:405:32
7:24
#9868
23M
23.00 mi13:25:262:56:077:399:33
7:38
#9668
24M
24.00 mi13:32:503:03:317:397:24
7:24
#9533
40K
24.85 mi13:39:183:09:597:396:28
7:34
#9407
25.2M
25.20 mi13:42:063:12:477:392:48
8:07
#9351
Finish
26.22 mi13:49:353:20:167:397:29
7:21
#9270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi116822680268012051(Top 45%)2919(Top 26%)2919(Top 60%)
10K6.21 mi3.10 mi12354-6723071-3913071-39113064(Top 49%)3463(Top 30%)3463(Top 71%)
15K9.32 mi3.11 mi12206+1483010+613010+6112051(Top 45%)2919(Top 26%)2919(Top 60%)
20K12.43 mi3.11 mi11735+4712758+2522758+25210564(Top 40%)2175(Top 19%)2175(Top 45%)
Half13.11 mi0.68 mi11658+772715+432715+4310441(Top 39%)2096(Top 18%)2096(Top 43%)
25K15.53 mi2.42 mi11172+4862451+2642451+2648939(Top 34%)1539(Top 13%)1539(Top 32%)
30K18.64 mi3.11 mi10447+7252122+3292122+3297581(Top 28%)1140(Top 10%)1140(Top 23%)
20M20.00 mi1.36 mi10208+2392027+952027+957390(Top 28%)1183(Top 10%)1183(Top 24%)
21M21.00 mi1.00 mi9969+2391934+931934+936873(Top 26%)1092(Top 10%)1092(Top 22%)
35K21.75 mi0.75 mi9868+1011902+321902+327823(Top 29%)1431(Top 13%)1431(Top 29%)
23M23.00 mi1.25 mi9668+2001847+551847+557309(Top 27%)1306(Top 11%)1306(Top 27%)
24M24.00 mi1.00 mi9533+1351811+361811+367102(Top 27%)1331(Top 12%)1331(Top 27%)
40K24.85 mi0.85 mi9407+1261792+191792+197142(Top 27%)1429(Top 13%)1429(Top 29%)
25.2M25.20 mi0.35 mi9351+561778+141778+147300(Top 27%)1544(Top 14%)1544(Top 32%)
Finish26.22 mi1.02 mi9270+811763+151763+157428(Top 28%)1596(Top 14%)1596(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12051

Females

2919

F18-39

2919

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13064

Females

3463

F18-39

3463

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12051

Females

2919

F18-39

2919

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10564

Females

2175

F18-39

2175

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10441

Females

2096

F18-39

2096

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8939

Females

1539

F18-39

1539

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7581

Females

1140

F18-39

1140

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7390

Females

1183

F18-39

1183

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6873

Females

1092

F18-39

1092

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7823

Females

1431

F18-39

1431

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7309

Females

1306

F18-39

1306

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7102

Females

1331

F18-39

1331

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7142

Females

1429

F18-39

1429

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7300

Females

1544

F18-39

1544

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7428

Females

1596

F18-39

1596

Passing Analysis

Category:
Athletes Passed
3389*
Passed By
977
Net Change
+2412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11682
5K → 10K99771-672#11682#12354
10K → 15K270122+148#12354#12206
15K → 20K4809+471#12206#11735
20K → Half814+77#11735#11658
Half → 25K4893+486#11658#11172
25K → 30K7261+725#11172#10447
30K → 20M243*4+239#10447#10208
20M → 21M243*4+239#10208#9969
21M → 35K1065+101#9969#9868
35K → 23M21212+200#9868#9668
23M → 24M1438+135#9668#9533
24M → 40K136*10+126#9533#9407
40K → 25.2M637+56#9407#9351
25.2M → Finish9817+81#9351#9270
TOTALS3389*977+2412

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

📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing