Boston Marathon logo
BOSTON MARATHON 2025

Danielle Iannone

Bib: 13469•F

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:41
Rank: #10380
Start → 5K
7:18/mi
22:41 split
10K· 6.21 mi
45:26
Rank: #10437 (-57)
5K → 10K
7:19/mi
22:45 split
15K· 9.32 mi
1:08:15
Rank: #10409 (+28)
10K → 15K
7:21/mi
22:49 split
20K· 12.43 mi
1:31:07
Rank: #10153 (+256)
15K → 20K
7:22/mi
22:52 split
Half· 13.11 mi
1:36:09
Rank: #10172 (-19)
20K → Half
7:23/mi
5:02 split
25K· 15.53 mi
1:54:07
Rank: #9964 (+208)
Half → 25K
7:25/mi
17:58 split
30K· 18.64 mi
2:16:34
Rank: #9072 (+892)
25K → 30K
7:14/mi
22:27 split
20M
2:26:31
Rank: #8745 (+327)
30K → 20M
7:19/mi
9:57 split
21M
2:33:50
Rank: #8344 (+401)
20M → 21M
7:19/mi
7:19 split
35K· 21.75 mi
2:39:04
Rank: #8175 (+169)
21M → 35K
7:00/mi
5:14 split
23M
2:48:03
Rank: #7853 (+322)
35K → 23M
7:10/mi
8:59 split
24M
2:54:59
Rank: #7650 (+203)
23M → 24M
6:56/mi
6:56 split
40K· 24.85 mi
3:00:57
Rank: #7436 (+214)
24M → 40K
6:59/mi
5:58 split
25.2M
3:03:35
Rank: #7346 (+90)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
3:10:12
Rank: #7120 (+226)
25.2M → Finish
6:30/mi
6:37 split

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
Time1:36:09
Pace7:20 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:03
Pace7:10 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3522:417:1822:41
7:18
-
10K
6.21 mi11:14:2045:267:1922:45
7:19
+0:01
15K
9.32 mi11:37:091:08:157:1922:49
7:21
+0:02
20K
12.43 mi12:00:011:31:077:2022:52
7:22
+0:01
Half
13.11 mi12:05:031:36:097:205:02
7:23
+0:01
25K
15.53 mi12:23:011:54:077:2117:58
7:25
+0:02
30K
18.64 mi12:45:282:16:347:2022:27
7:14
-0:11
20M
20.00 mi12:55:252:26:317:209:57
7:19
+0:05
21M
21.00 mi13:02:442:33:507:207:19
7:19
0:00
35K
21.75 mi13:07:582:39:047:195:14
7:00
-0:19
23M
23.00 mi13:16:572:48:037:188:59
7:10
+0:10
24M
24.00 mi13:23:532:54:597:176:56
6:56
-0:14
40K
24.85 mi13:29:513:00:577:175:58
6:59
+0:03
25.2M
25.20 mi13:32:293:03:357:172:38
7:38
+0:39
Finish
26.22 mi13:39:063:10:127:166:37
6:30
-1:08

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

6:30 /mi

Average Pace

7:16 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:45

13% of race

Time at Steady Pace

2:45:27

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:51:3522:417:1822:41
7:18
#10380
10K
6.21 mi11:14:2045:267:1922:45
7:19
#10437
15K
9.32 mi11:37:091:08:157:1922:49
7:21
#10409
20K
12.43 mi12:00:011:31:077:2022:52
7:22
#10153
Half
13.11 mi12:05:031:36:097:205:02
7:23
#10172
25K
15.53 mi12:23:011:54:077:2117:58
7:25
#9964
30K
18.64 mi12:45:282:16:347:2022:27
7:14
#9072
20M
20.00 mi12:55:252:26:317:209:57
7:19
#8745
21M
21.00 mi13:02:442:33:507:207:19
7:19
#8344
35K
21.75 mi13:07:582:39:047:195:14
7:00
#8175
23M
23.00 mi13:16:572:48:037:188:59
7:10
#7853
24M
24.00 mi13:23:532:54:597:176:56
6:56
#7650
40K
24.85 mi13:29:513:00:577:175:58
6:59
#7436
25.2M
25.20 mi13:32:293:03:357:172:38
7:38
#7346
Finish
26.22 mi13:39:063:10:127:166:37
6:30
#7120
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi103801974197410360(Top 36%)2052(Top 17%)2052(Top 38%)
10K6.21 mi3.10 mi10437-572020-462020-4610535(Top 37%)2072(Top 17%)2072(Top 38%)
15K9.32 mi3.11 mi10409+282032-122032-1210360(Top 36%)2052(Top 17%)2052(Top 38%)
20K12.43 mi3.11 mi10153+2561935+971935+979554(Top 34%)1756(Top 14%)1756(Top 32%)
Half13.11 mi0.68 mi10172-191948-131948-1310684(Top 38%)2249(Top 18%)2249(Top 41%)
25K15.53 mi2.42 mi9964+2081884+641884+649246(Top 33%)1742(Top 14%)1742(Top 32%)
30K18.64 mi3.11 mi9072+8921539+3451539+3456053(Top 21%)694(Top 6%)694(Top 13%)
20M20.00 mi1.36 mi8745+3271438+1011438+1015882(Top 21%)762(Top 6%)762(Top 14%)
21M21.00 mi1.00 mi8344+4011303+1351303+1353733(Top 13%)324(Top 3%)324(Top 6%)
35K21.75 mi0.75 mi8175+1691255+481255+485376(Top 19%)730(Top 6%)730(Top 13%)
23M23.00 mi1.25 mi7853+3221186+691186+694759(Top 17%)608(Top 5%)608(Top 11%)
24M24.00 mi1.00 mi7650+2031147+391147+394309(Top 15%)531(Top 4%)531(Top 10%)
40K24.85 mi0.85 mi7436+2141104+431104+433818(Top 13%)463(Top 4%)463(Top 8%)
25.2M25.20 mi0.35 mi7346+901078+261078+264126(Top 15%)604(Top 5%)604(Top 11%)
Finish26.22 mi1.02 mi7120+2261023+551023+552828(Top 10%)292(Top 2%)292(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10360

Females

2052

F18-39

2052

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10535

Females

2072

F18-39

2072

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10360

Females

2052

F18-39

2052

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9554

Females

1756

F18-39

1756

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10684

Females

2249

F18-39

2249

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9246

Females

1742

F18-39

1742

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

6053

Females

694

F18-39

694

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5882

Females

762

F18-39

762

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3733

Females

324

F18-39

324

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5376

Females

730

F18-39

730

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4759

Females

608

F18-39

608

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4309

Females

531

F18-39

531

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3818

Females

463

F18-39

463

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4126

Females

604

F18-39

604

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2828

Females

292

F18-39

292

Passing Analysis

Category:
Athletes Passed
3863*
Passed By
602
Net Change
+3260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10380
5K → 10K233290-57#10380#10437
10K → 15K182154+28#10437#10409
15K → 20K31659+256#10409#10153
20K → Half1837-19#10153#10172
Half → 25K255*47+208#10172#9964
25K → 30K8920+892#9964#9072
30K → 20M3292+327#9072#8745
20M → 21M4021+401#8745#8344
21M → 35K1712+169#8344#8175
35K → 23M3231+322#8175#7853
23M → 24M2085+203#7853#7650
24M → 40K2151+214#7650#7436
40K → 25.2M911+90#7436#7346
25.2M → Finish2282+226#7346#7120
TOTALS3863*602+3260

* 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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing