Boston Marathon logo
BOSTON MARATHON 2023

Daniela Diaz Polo

Bib: 16462•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
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
26:31
Rank: #17793
Start → 5K
26:31 | 8:32/mi
10K· 6.21 mi
51:28
Rank: #16385 (+1408)
5K → 10K
24:57 | 8:02/mi
15K· 9.32 mi
1:16:47
Rank: #16103 (+282)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:42:49
Rank: #16078 (+25)
15K → 20K
26:02 | 8:23/mi
Half· 13.11 mi
1:48:23
Rank: #16042 (+36)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:08:31
Rank: #15847 (+195)
Half → 25K
20:08 | 8:18/mi
30K· 18.64 mi
2:35:29
Rank: #15757 (+90)
25K → 30K
26:58 | 8:41/mi
20M
2:47:34
Rank: #15728 (+29)
30K → 20M
12:05 | 8:54/mi
21M
2:56:55
Rank: #15694 (+34)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
3:03:00
Rank: #15588 (+106)
21M → 35K
6:05 | 8:08/mi
23M
3:13:37
Rank: #15420 (+168)
35K → 23M
10:37 | 8:29/mi
24M
3:21:40
Rank: #15229 (+191)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:28:29
Rank: #15029 (+200)
24M → 40K
6:49 | 7:58/mi
25.2M
3:31:32
Rank: #14972 (+57)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:39:22
Rank: #14773 (+199)
25.2M → Finish
7:50 | 7:41/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
Time1:48:23
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:50:59
Pace8:28 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4126:318:3226:31
8:32
-
10K
6.21 mi11:46:3851:288:1724:57
8:02
-0:30
15K
9.32 mi12:11:571:16:478:1425:19
8:09
+0:07
20K
12.43 mi12:37:591:42:498:1626:02
8:23
+0:14
Half
13.11 mi12:43:331:48:238:165:34
8:10
-0:13
25K
15.53 mi13:03:412:08:318:1620:08
8:18
+0:08
30K
18.64 mi13:30:392:35:298:2026:58
8:41
+0:23
20M
20.00 mi13:42:442:47:348:2312:05
8:54
+0:13
21M
21.00 mi13:52:052:56:558:259:21
9:21
+0:27
35K
21.75 mi13:58:103:03:008:256:05
8:08
-1:13
23M
23.00 mi14:08:473:13:378:2510:37
8:29
+0:21
24M
24.00 mi14:16:503:21:408:248:03
8:03
-0:26
40K
24.85 mi14:23:393:28:298:236:49
7:58
-0:05
25.2M
25.20 mi14:26:423:31:328:243:03
8:51
+0:53
Finish
26.22 mi14:34:323:39:228:227:50
7:41
-1:10

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

7:41 /mi

Average Pace

8:22 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:39

22% of race

Time at Steady Pace

1:33:45

43% of race

Time at Slower Pace

1:17:58

36% of race

Average Pace: 8:22 /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 mi11:21:4126:318:3226:31
8:32
#17793
10K
6.21 mi11:46:3851:288:1724:57
8:02
#16385
15K
9.32 mi12:11:571:16:478:1425:19
8:09
#16103
20K
12.43 mi12:37:591:42:498:1626:02
8:23
#16078
Half
13.11 mi12:43:331:48:238:165:34
8:10
#16042
25K
15.53 mi13:03:412:08:318:1620:08
8:18
#15847
30K
18.64 mi13:30:392:35:298:2026:58
8:41
#15757
20M
20.00 mi13:42:442:47:348:2312:05
8:54
#15728
21M
21.00 mi13:52:052:56:558:259:21
9:21
#15694
35K
21.75 mi13:58:103:03:008:256:05
8:08
#15588
23M
23.00 mi14:08:473:13:378:2510:37
8:29
#15420
24M
24.00 mi14:16:503:21:408:248:03
8:03
#15229
40K
24.85 mi14:23:393:28:298:236:49
7:58
#15029
25.2M
25.20 mi14:26:423:31:328:243:03
8:51
#14972
Finish
26.22 mi14:34:323:39:228:227:50
7:41
#14773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi177936415641515501(Top 58%)4982(Top 44%)4982(Top 102%)
10K6.21 mi3.10 mi16385+14085516+8995516+89915030(Top 56%)4699(Top 41%)4699(Top 96%)
15K9.32 mi3.11 mi16103+2825349+1675349+16715501(Top 58%)4982(Top 44%)4982(Top 102%)
20K12.43 mi3.11 mi16078+255356-75356-716118(Top 61%)5420(Top 47%)5420(Top 111%)
Half13.11 mi0.68 mi16042+365338+185338+1815529(Top 58%)5001(Top 44%)5001(Top 102%)
25K15.53 mi2.42 mi15847+1955243+955243+9514988(Top 56%)4830(Top 42%)4830(Top 99%)
30K18.64 mi3.11 mi15757+905230+135230+1315398(Top 58%)5164(Top 45%)5164(Top 106%)
20M20.00 mi1.36 mi15728+295225+55225+515973(Top 60%)5555(Top 49%)5555(Top 114%)
21M21.00 mi1.00 mi15694+345243-185243-1815269(Top 57%)5206(Top 46%)5206(Top 107%)
35K21.75 mi0.75 mi15588+1065190+535190+5313060(Top 49%)4046(Top 35%)4046(Top 83%)
23M23.00 mi1.25 mi15420+1685112+785112+7813117(Top 49%)4138(Top 36%)4138(Top 85%)
24M24.00 mi1.00 mi15229+1914994+1184994+11811633(Top 44%)3411(Top 30%)3411(Top 70%)
40K24.85 mi0.85 mi15029+2004895+994895+999936(Top 37%)2634(Top 23%)2634(Top 54%)
25.2M25.20 mi0.35 mi14972+574873+224873+2211709(Top 44%)3605(Top 32%)3605(Top 74%)
Finish26.22 mi1.02 mi14773+1994774+994774+999940(Top 37%)2687(Top 24%)2687(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15501

Females

4982

F18-39

4982

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15030

Females

4699

F18-39

4699

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15501

Females

4982

F18-39

4982

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16118

Females

5420

F18-39

5420

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15529

Females

5001

F18-39

5001

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14988

Females

4830

F18-39

4830

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15398

Females

5164

F18-39

5164

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15973

Females

5555

F18-39

5555

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15269

Females

5206

F18-39

5206

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13060

Females

4046

F18-39

4046

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13117

Females

4138

F18-39

4138

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11633

Females

3411

F18-39

3411

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9936

Females

2634

F18-39

2634

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11709

Females

3605

F18-39

3605

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9940

Females

2687

F18-39

2687

Passing Analysis

Category:
Athletes Passed
3679
Passed By
659
Net Change
+3020
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17793
5K → 10K144941+1408#17793#16385
10K → 15K36785+282#16385#16103
15K → 20K186161+25#16103#16078
20K → Half4812+36#16078#16042
Half → 25K24045+195#16042#15847
25K → 30K222132+90#15847#15757
30K → 20M10475+29#15757#15728
20M → 21M10672+34#15728#15694
21M → 35K1093+106#15694#15588
35K → 23M18012+168#15588#15420
23M → 24M1943+191#15420#15229
24M → 40K2033+200#15229#15029
40K → 25.2M647+57#15029#14972
25.2M → Finish2078+199#14972#14773
TOTALS3679659+3020
📊

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